Journal of Automatic Chemistry, Vol. 13, No. 4 (July-August 1991), pp. 153-164

Pittsburgh 1991 Conference- New products

ELEMENTAL ANALYSERS

On-line process chemicalanalysersA process analysis system (EPAS),from Eppendorf, for the chemicalprocessing industry combines high-speed analysis with performance andreliability. Simplicity of analyserdesign guarantees long-term reliabil-ity and ease of service. Diagnosticsoftware monitors and verifies analy-tical process data and analyser per-formance. An extensive processapplications library has beendeveloped.

Eppendorf North America, Inc., 545Science Dr., Madison, Wisconsin 53711,USA.

Automatic fluxerThe FX-503 automatic fluxerprovides programmable methods formelting temperature, agitation-direction, amount and speed of agi-tation over a number of phases. Thesystem can be programmed formethods containing up to 100 phases.Precise temperature and agitationcharacteristics are controlled by themicroprocessor. Flexibility of pro-gramming permits use in both perox-ide or borate applications.

LECO Corp., 3000 Lakeview Ave., St.Joseph, Michigan 49085-2396, USA.

PARTICLE SIZE ANALYSERS

In-stream particle analyserThe EPCS particle analyser fits dir-ectly into the process stream viaflange connection (pipes 6 in, orlarger.) The rugged, real-time instru-ment provides 100% representationdata for total quality control. Remoteoperation reduces employee contactwith process machinery and product.Size (general range: to 500 tm) andconcentration of irregular or spheri-cal shaped powders can be measured.The flange operates in concen-trations up to 1000 g/m3. Slipstreamhardware can be designed for higherdensities.

Insitec, Inc., dba Insitec MeasurementSystems, 2110 Omega Drive, Suite D, SanRamon, California 94583, USA.

Modular particle size analyserThe Microtrac series 9200 particlesize analyser measures 0-005 to 700tm with a modular design, so userscan add units as needed. The ultra-fine particle analyser is a submicroninstrument that can measure at highconcentrations. The full-range ana-lyser covers 0" to 700 tm in a singlemeasurement with no parts move-ment or replacement. The computercontrol module controls analyses,displays results, and manages pastresults.

Leeds & Northrup, Sumneytown Pike,North Wales, Pennsylvania 19454, USA.

THERMAL ANALYSERS

Automated DSC systemTA Instruments launched a fullyautomated DSC system which allowsup to 62 samples to be thermallyevaluated and analysed unattended.The operator simply loads an auto-sampler tray, initiates the system,and returns later to retrieve a stack ofhard copy results. The system issuitable for increasing productivityin both R & D and QC laboratories.

TA Instruments, Inc., 109 Lukens Dr.,Wilmington, Delaware 19720, USA.

AUTOSAMPLERS

Organic samplerThe model AVOCS-500 is a self-contained automatic volatile compo-site organic sampler. The unit is usedto obtain and store samples of liquidcontaining volatile organic com-pounds for Analytical ChemicalMethods No. 624, 1624, 601, 602,524, and for Test Methods for Eval-uating Solid Waste No. SW-846Methods No. 8240 and 8260. Themotor-driven, gas-tight containerallows laboratories to collect 100 mlof samples, at 0.21 ml per sample,over a selected period of time. This

technique improves, the current grabsampling system.

Associated Design and ManufacturingCo., 814 N. Henry St., Alexandria,Virginia 22314, USA.

DSC and TGA autoanalysissoftwareDSC and TGA autoanalysis softwareprograms offer increased produc-tivity and ease-of-use by allowing thesystem controller (computer) to ana-lyse data from repetitive experi-ments, unattended. The systemchooses from more than 100 storedroutines to automatically analyseeither data at the completion of anexperiment or data files from up to 10earlier experiments. The software issufficiently flexible for both R & Dand QC laboratories.

TA Instruments, Inc. (as above).

Syringes and autosamplersPTA-30 and PTA-30W/S purge andtrap autosamplers are for automatedsoil and water analyses using existingP & T Concentrators. The purge andtrap systems are: DynaTrap forwaters, soils, air, and VOST; Dyna-Soils for soils only, and DynaWatersfor waters only.

Dynatech Precision Sampling Corp., P.O.Box 15886, 8275 W. El Cajon Dr., BatonRouge, Louisiana 70895, USA.

Dissolution autosampling systemHanson Research announced a newmodel upgrade of its Dissoette Auto-sampling System for Dissolution TestApplications- the Dissoette II. Theupgrade includes an advanced SIPmicroprocessor controller whichaccepts program protocol from anIBM PC computer down-load andsaves program protocols in non-vola-tile memory storage. The Dissoette IIhas been expanded to include auto-matic UV detection from samplescollected in a built-in 144-positioncarousel, and now ,;icrs direct-injectof collected samples into the WatersMillipore 712D Automatic Dissolu-

153

New products

tion/HPLC system for complete dis-solution-HPLC automation. Dis-soette II features include:

(1) 6 or 12-flask systems.

(2) New memory storage of testprotocols.

(3) Factory-programmed; acceptsIBM PC down-load programs.

(4) Handles sampling, collectionand detector interface.

(5) Automatic media replace in dis-solution flasks.

(6) One system can handle bothUV and HPLC.

(7) New UV Auto-detect from 144-position collection carousel.

(8) New Auto-detect programincludes standard and wash.

(9) Interfaces with most modernspectrophotometers.

(10) UV DATA-PAK software forcomputer-generated testreports.

(l l) Automatic collection into vir-tually any standard HPLC vial.

(12) New direct-inject into Waters712D Dissolution/HPLCSystem.

(13) All Teflon flow system.

Hanson Research Corporation, 9810 VarielAvenue, Chatsworth, California 91311,USA.

HPLC autosamplerThe autoMetric autosamplerprovides reproducibility for virtuallyany HPLC application requiringunattended sample introduction.The autosampler is a no-loss, vari-able volume, programmable auto-injection system designed for com-plete electrical operation, eliminat-ing the need for an accessory gas. Atotal of 96 different samples can beanalysed with an infinite number ofinjections possible from each sample.Injection sizes from ltl to ml are

possible with all operating par-

The Dissoette H Dissolution Autosampling System.

154

ameters programmed through a key-pad on the front panel.

LDC Analytical, 3661 Interstate Indus-trial Park Rd. N., P.O. Box 10235,Riviera Beach, Florida 33419, USA.

Cryogenic preconcentratorThe model 3550 automated TO-14cryogenic preconcentrator is a micro-processor-controlled instrument.Features include: two distinct flowpaths for ambient and source sampleintroduction, all electronic valves, aTO- 14 cryotrap, 16-sample automa-tion, automatic internal standardintroduction, and variable loopinjection.

Nutech Corp., 2806 Cheek Rd., Durham,North Carolina 27704, USA.

GAS CHROMATOGRAPHY

Continuous water analyserThe Siemens H-202 continuouswater analyser unites a sample

New products

enrichment sparger with the PGC-102 multidimensional process GCand permits unattended monitoringof water streams for volatile hydro-carbons down to the ppb level. Theinstrument can monitor influent andeffluent of a waste treatment facility,monitor non-contact cooling water,and analyse clean water used in

production.

ES Industries, 8 S. Maple Ave., Marlton,New Jersey 08053, USA.

Headspace autosamplerThe model 7000 headspace auto-

sampler offers ease of sample prep-aration and increased overall speedof analysis. With the use of MethodOptimization Mode MOM, the usercan determine the optimum head-space sampling times, temperatures,and mixing values. Using the OPTI-MIX equilibration system, boththermal energy and pulse mixingenergy are simultaneously appliedduring the sample equilibrationprocess.

Tekmar Co., P.O. Box 371856, Cincin-nati, Ohio 45222-1856, USA.

Stream sampling systemSamplivalve is available in corrosionresistant materials ofPTFE and Kel-F. With this system, the user cantime-share a chemical analyseramong 12 different chemical streamsamples. The unit can be automati-cally rotated to select any one of 12different chemical streams and willdivert a sample into the analyser.The 11 streams that are not beingsampled are allowed to flow throughthe unit.

Scanivalve Corp., 10222 San Diego Mis-sion Rd., San Diego, California 92108,USA.

SamplerThe model 501 random accesssampler is designed for the AlpkemRFA microcontinuous flow analyserand other automated analyticalinstrumentation. Under computercontrol and interfaced with the 511dilutor, it can resample and diluteoff-scale samples automatically. Thesampler can also operate as a stand-alone unit. Equipped with an X, Y, Zarm, the probe can access any

position on the sample racks andautomatically resample checkstandards at user designatedintervals.

Alpkem Corp., P.O. Box 260, Clackamas,Oregon 97015, USA.

Gas sparging gas chromatographThe Optichrom Advance gas sparg-ing process chromatograph providescomplete capabilities in water orwastewater analysis for many of thevolatile contaminants described inEPA lists 601 and 602 by coupling a

fully automatic sample enrichmentsystem with a process GC. Typicalapplications include the measure-ment of volatile organics in processwastewater in the ppb range. Thesparging unit consists of a borosili-cate glass sparger, pressurizationvessels, sample heating compart-ment, and flow controller.

Applied Automation Hartmann & Braun,P.O. Box 9999, Bartlesville, Oklahoma74005, USA.

Continuous water monitoringsystemThe Aquascan system is a staticturnkey water monitoring GC systemfor detecting volatile organic com-pounds to sub-ppb levels. Totallycomputerized, the system automati-cally acquires a water sample andperforms a specified number ofanalysis cycles with preselected per-iodic autocalibration. Accurate andreliable, the system can operateremotely, storing and transmittingdata for proper documentation.

SENTEX Sensing Technology, Inc., 553Broad Ave., Ridgefield, NewJersey 07657,USA.

Automated concentratorThe model 2000 automated concen-trator is an autosampler for theanalysis of source and ambient levelvolatile organic compounds in air orsimilar fixed gases. The systempermits the unattended analysis of 16samples, and includes such featuresas self leak checking, manifold back-flushing, on-line pressure monitor-ing, and QA/QC report generation.Modular traps allow easy replace-ment and/or rapid conversion fromcryogenic to sorbent concentration.Multiple sample concentration con-figurations are available.

Entech Laboratory Automation, 950Enchanted Way, #101, Simi Valley, Cali-

fornia 93065-0908, USA.

Pyrolysis GC injectorThe Pyrojector II is a micropro-cessor-controlled continuous-mode,constant temperature microfurnacepyrolyzing unit designed to attachdirectly onto the GC injector. Theinstrument is supplied with threetypes ofsample introduction systems:septum injecion head for liquid sam-ples, septumless injection head forsolid samples, and pelletizer injectionhead for larger amounts solidsamples.

Scientific Glass Engineering, Inc., 2007Kramer Lane, Austin, Texas 78758, USA.

Dual HPLC/HRGC systemThe Carlo Erba Dualchrom 3000employs both HPLC and HRGC in a

single system, allowing direct on-linecoupling. A complete turnkey, fullyautomatic system, the unit is ideallysuited for full type and class separ-ation on a wide variety of samplesrelating to environmental, petro-chemical, petroleum, and otherapplications. The Dualchrom 3000incorporates the sample preparationstage in the analytical run, thusreducing sample preparation timeand manpower.

Fisons Instruments, 24911 Stanford Ave.,Valencia, California 91355, USA.

Automated system for pesticideresidue screeningA dedicated system for the screeningof all types of foods for pesticideresidues saves time and moneythrough reduced operator interpre-tation, increased throughput, andease of use. The instrument elimi-nates the need for confirmatoryanalysis in terms of accuracy andprecision in both quantitative andqualitative analysis. The instrumentuses simultaneous dual capillary col-umn GC analysis. A software pack-age calculates retention indices andcompares the results to those in auser-defined library to identify thepesticide residues to 99"9% accuracy.

HNU @stems Inc., 160 Charlemont St.,Newton, Massachusetts 02161-9987,USA.

155

New products

GEL PERMEATIONCHROMATOGRAPHY

GPC sample processorA low-cost system for automatedsample cleanup by gel permeationchromatography, the micropro-cessor-based SP-1000 GPC sampleprocessor, allows environmental lab-oratories to comply with US EPAmethod requirements for samplecleanup. This technician-levelinstrument offers simple program-ming with audible or LED alert forend of processing, user interrupt, orpower failure.

ABC Laboratories, P. O. .Box 1097, Col-umbia, Maryland 65205, USA.

LIQUID CHROMATOGRAPHY

Universal, low-cost, HPLCAutosamplerA universal, low-cost, HPLC Auto-sampler is now available from AlcottChromatography, Inc. The Model738 Autosampler can inject tl toml from up to 96 different sampleswithout any loss of sample and fitsany HPLC or ion chromatograph.Furthermore, the unit can make anunlimited number of injections fromany single sample and requires noaccessory gases for operation.

HPLC Autosampler from AlcottChromatography.

Other features of the 738 includeprogrammable, variable, injectionvolumes, pre-column derivatizationand reagent dilution. Its vacuumfluorescent display provides instan-taneous feedback of operating par-

156

ameters in two-line dialogue. The738 software allows on-the-fly pro-gramming, as well as priority-sampleinterrupt.

The Model 738 has both refrigerationand biocompatible options. Inter-faces included on the unit are IEEE-488, RS-232-C and BCD.

Alcott Chromatography, 5300 OakbrookParkway, #100 Nordoss, Georgia 30093,USA.

Refrigerated HPLC AutosamplerA refrigerated and heated HPLCAutosampler is available from AlcottChromatography, Inc. Small andcompact, the Model 728R can betemperature controlled from 4C to60C and holds temperature towithin + IC. Temperature control ismaintained by a patented Peltiercooled/heated design, which elimi-nates completely the need for cum-bersome water baths and coilcooling.

Refrigerated HPLC autosampler fromAlcott Chromatography.

Designed for use with HPLC, ionchromatography or SFC systems, the728R holds 64 samples and injectsfrom 0"5 to 1000 1 of sample. TheModel 728R uses no accessory gasesand requires almost no maintenance.Its patented positive displacementdesign allows virtually no carry overand provides fail-safe interruption ifsample injection does not occur dueto blocked tubing. Each sample inthe Model 728R can be individuallyprogrammed, and external controlmay be exercised through contactclosures or through an RS-232-C

portal. The model is also available inmetal-free biocompatible versions.

Alcott Chromatography (as above).

Three,detector HPLC systemBacharach’s HPLC system combinesthree of the most popular detectionmodes: UV, fluorescence, and con-ductivity. This single compact unit isdesigned for use in QC laboratories,screening, and teaching applications.The TriDet system features a trifunc-tional detector that allows one, two,or three of the detection modes to bemonitored separately or simulta-neously. The unit provides UVdetection at 254 nm, senses fluor-escence at 280 nm with excitation at254 nm, and measures conductivitythrough the inlet and outlet disks ofthe cell.

Bacharach, Inc., 625 Alpha Drive, Pitts-burgh, Pennsylvania 15238, USA.

Data acquisition and controlsystemHigh pressure pump control forHPLC is provided with the ELABPC-based data acquisition andcontrol system. This system providesflexibility in control along with easy-to-use data acquisition, integration,automation, display, and calibration.

OMS Tech, Inc., P.O. Box 430864,Miami, Florida 33243-0864, USA.

Chromatography data stationThe DP900 fully automated chroma-tography data station was designedfor GLP (Good Laboratory Prac-tice). The instrument uses par-ameters of peak area, height, reten-tion time, resolution, separation,capacity, and sensitivity to validatethe performance of a single run.Groups of runs are checked by theRSD of these parameters as well asspecific group statistics and correla-tion checks.

ICI Instruments, 5 Lake Dr., Dingley,Victoria, Australia 3172.

HPLC systemA fully-automated, modular HPLCsystem, the Analyst, combines theease of single keyboard control withthe flexibility of multitasking

New products

Windows-3 based software. TheAnalyst provides complete PCcontrol and documentation of allsystem components. The system isavailable for either high or low pres-sure gradient applications with pre-cise flow rate capability from 0-01ml/min and UV detector sensitivityto 0"0005 aufs. The pumping optionsinclude the constaMetric 4100 quat-ernary gradient pump or the consta-Metric 3500/3200 series isocraticpumps.

LDC Analytical, 3661 Interstate Indus-trial Park Rd. N, P.O. Box 10235,Riviera Beach, Florida 33419, USA.

Preparative scale HPLCThe Versa Prep benchtop prepara-tive scale HPLC offers solvent deliv-ery capability of 20-260/40-390 ml/rain at 4000 psig. The instrument hasvariable volume solvent mixing forup to four solvent gradients. Keyfeatures include sample recycle, fullyautomated operation via IBM PC,precolumn and multicolumnmodules, 1t5 fraction collection ports,and packed column choices up to 3-indiameter. Adjustable volume highflow rate UV-VIS detector isstandard. Other detectors can beused.

Varex Corp., 4000 Blackburn Lane, Bur-tonsville, Maryland 20866, USA.

The PCS pipette calibration system fromArtel.

Test tube printer optionA DNF download file option for theTTP 20 test-tube printer offers sim-ple and easy automation of a tediousmanual procedure and virtuallyeliminates mislabelling. The optionequips the unit to accept worklists ofpatient numbers, sample descrip-tions, accession numbers; and otherdata from a central database. Posi’tive, detailed labelling of sampletubes is provided without the need tohandle identification data a secondtime.

BDC, 40 West Howard Unit 404, Pon-tiac, Michigan 48342, USA.

TensiometerThe Lauda tensiometer automatestime-consuming laboratory pro-cedures such as CMC measurement.The instrument automatically meas-ures and records liquid surface ten-

sion and interfacial tension atcontrolled and changing tempera-tures as programmed by the opera-tor. De Nouy ring or Wilhelmy platemeasuring devices can be used andcontinuous measurements takenwithout rupture of the lamella.Menu-driven software and auto-matic calibration make operation ofthe tensiometer simple.

Brinkmann Instruments Inc., CantiagueRd., P.O. Box 1019, Westbury, New York11590-0207, USA.

Eight-channel viscosity systemThe OctaVisc eight-channel vis-cosity measuring system, launched atthe conference, automatically meas-ures the viscosity of up to eightsamples; and the companion Octa-Wash viscometer washing systemautomatically cleans and dries up toeight viscometers. Features include:

(1)

(2)

Large dynamic range. Transpar-ent or opaque samples rangingfrom 30 to 30000 mm/s2 attemperatures from 20 to 130C,can be analysed.

High sample throughput. Fifteento 20 minutes are required toanalyse eight samples. Eight vis-cometers can be cleaned anddried in 20 min.

LABORATORY APPARATUSAND EQUIPMENT

Pipette calibration systemThe PCS pipette calibration systemconsists of an automated system thatquickly and accurately verifies theactual volume delivered by mechani-cal action pipettes. The entire pro-cess takes less than 5 rain per pipette,with no manual calculationsrequired. The user pipettes ten indi-vidual reagent samplings into a sin-gle cuvette, and the device does therest. The instrument automaticallymixes the reagents in the cuvette,then measures, calculates, and printsa hard copy of test results for thelaboratory’s records.

Artel, Inc., 12 Depot St., Windham, ME04062, USA. The Osta Visc eight-channel viscosity measuring system.

157

New products

(3) High accuracy. Accuracy andprecision is four to 10 timesbetter than manual analysis.

(4) Viscometers are cleaned in aclosed system, eliminating thedangers of solvent exposure andimproving laboratory safety.

(5) Virtually any solvent or combi-nation of solvents required forviscometry can be used in thesystem.

Design Scientific, Inc., 4282 PillsburyRoad, Gainesville, Georgia 30507, USA.

SFA/FIA softwareNew windows software for the SFA/FIA analyser was released with autopre- and post-dilutions, priority sam-ple and sample addition during run,raw data storage, 16-channel simul-taneous operation, statistics, andzoom. The modules feature auto-matic on-line digestion and distilla-tion for phenols, cyanides, TOC, TP,and TKN. The SANplus automaticSFA/FIA system, OPA on-line pro-cess analyser, SP100 robotic BOD,COD, pH, conductivity and tur-

bidity analyser, and block digesterwere also shown.

Skalar USA, Inc., P.O. Box 579, Lil-burn, Georgia 30226, USA.

Vapour pressure measurementA portable Grabner CCA-VPS testerwith multiple sampler automaticallymeasures and reports the vapourpressure of up to six fuels, solvents,and similar volatile liquids atselected temperatures and pressures,using only a few ml ofsample. ASTMRVP-Equivalent vapour pressureresults are obtained in 5 rain, alongwith total and absolute pressures.The device is particularly useful forcompliance monitoring volatility andoptimizing engine systemperformance.

Petrolab Corp., 874 Albany Shaker Rd.,Latham, New York 12110, USA.

Carbon analyserThe model 1505 laboratory analyseris for the automated measurement oftotal organic carbon (TOC), purge-able organic carbon (POC), and totalcarbon (TC) in water. The analyser

operates accurately on a wide con-centration range of 10 ppb to 2000ppm by high temperature combus-tion and infrared detection of CO2.With a 72-position integral samplesequencer (optional) and an auto-matic sample injection system, theuser is provided with simplified un-attended operation. The unit oper-ates as a stand-alone analyser or canbe interfaced for computer control.

Ionics, Inc., Instrument Div., 65 GroveSt., Watertown, Massachusetts 02172,USA.

Water analyserThe Aquatec system is an automatedoption for the routine testing ofwater. The unit simplifies high pre-cision nitrogen, phosphorus, andchloride analysis in water. Based oninterchangeable method cassettes,the device is designed for cost-effec-tive analysis for ppb levels to ppmlevels. The system can be operatedeither fully automated with an auto-matic sampler or semiautomatically.Preweighed chemical kits are avail-able to guarantee correct dosage andto simplify reagent preparation.

Tecator AB, c/o Perstorp Analytical Inc.,2875 C Towerview Rd., Herndon, Virginia22071, USA.

LABORATORY COMPUTERS:SOFTWARE

Relational Database SystemThe new family of laboratory infor-mation management systems isdesigned to use a relational databasewhile running on a variety of hard-ware platforms (e.g. DEC, HP, andIBM) and operating systems (e.g.VAX/VMS, MPE-XL, and UNIX).The management systems, LIMS3000, QC 3000, and Reference 3000,provide power and flexibility becausethey were developed using Ingres, afourth generation, relational data-base system from RelationalTechnology.

Advanced Systems Management, Inc.,1200 S. Acadian Thruway, Suite 110,Baton Rouge, Louisiana 70806, USA.

LIMSTriton is a laboratory informationmanagement system (LIMS), avail-

able as a single-user system on anIBM 286 or compatible microcom-puter, or as a multiuse system on anIBM 386 or compatible microcom-puter or the IBM RISC System 6000.Features include: dictionary- ortable-driven operation for appli-cation in any materials testing labor-atory user-editable dictionaries/tables allowing for immediate addi-tions of new test, methods, or instru-ments, direct instrument interface tothe system, and remote printing.

Caelus Systems Inc., 5 Spruce Park,Amherst, New Hampshire 03031, USA.

Batch Processor

PC LIMS is a laboratory informationmanagment system for a wide varietyof applications including pharma-ceutical QC/R & D/stability studies,environmental control agencies, con-tinuous/batch process industries, etc.Continuous development of the pro-duct has resulted in the introductionof the PC Liras Batch Processor forunattended automation of PC Lirastasks. Time-consuming jobs areautomated, and instrument resultfiles are automatically transferred toPC LIMS databases. Logging in ofroutine samples can be automatedand samples can be logged in withinformation generated in othercomputers.

L.I.M.S. Ltd., 419 S. Federal Hwy,Dania, Florida 33004, USA.

CHROMATOGRAPHYSOFTWARE

Chromatography datamanagementThe PYRAMID chromatographymanager is a user-configurable dataacquisition/analysis system. Run-ning on Windows 3"0, the programoffers user-friendly graphic program-ming/editing, high speed, and multi-tasking for other applications. Theprogram’s selectable GLP modeensures total GLP-GMP compliance,with file audit trials and auto-nam-ing. All functions can be configuredfor the exact components and appli-cations in use, for simple operation.Optional interfaces control virtuallyall pumps, GCs, autosamplers, anddetectors.

158

New products

Axxiom Chromatography, Inc., 11988Challenger Ct., Moorpark, California93021-7122, USA.

PC chromatography softwareEZChrom software provides powerand compatibility for IBM PCs whilemaintaining flexible, distributeddata collection and processing forvirtually all chromatography appli-cations. Data may be collected frommultiple Shimadzu Chromatopacchromatography processors in realtime or from Chromatopac memory.Full parameter set up and dataanalysis can be accomplished inde-pendently at the computer or at theChromatopac. The software operatesunder the Microsoft Windows 3"0graphical environment, for ease ofuse.

Shimadzu Scientific Instruments, Inc.,7102 Riverwood Dr., Columbia, Mary-land 21046, USA.

Chromatography data systemVersion 3"0 of the Chrom Perfectchromatography data system is PC-based software that can acquire datafrom Perkin Elmer-Nelson 700 and900 series intelligent interfaces, inaddition to Hewlett-Packard 3396 or3393 integrators. Integrators andinterfaces can be combined in thesame system. The system Perfectoffers extensive features for multi-tasking, integration, plotting, report-ing, on-screen expansion and meth-ods development.

Justice Innovations, Inc., 465 El CapitanPl., Palo Alto, California 94306, USA.

Chromatography softwareCHROM/RTG is a comprehensivechromatography software packagedesigned for GC, HPLC, or ionchromatography applications. Thesoftware combines real-time datacollection, peak integration, reportgeneration, and LIMS support intoone easy-to-use package. A powerful,multi-instrument program, this pro-gram features a graphic, mouse-driven interface and real-timegraphics (RTG) that run on allindustry standard computer plat-forms, including UNIX, DOS/Windows 3, and OS/2.

Labtech Corp., 400 Research Dr., Wil-mington, Massachusetts 01887, USA.

Chromatography utilitiesThe HIPAC chromatography soft-ware package comprises a range ofsoftware tools to assist the develop-ment ofHPLC separations. Designedto enable rapid and rational methoddevelopment and optimization ofisocratic reverse phase and normalphase binary mobile phases separ-ations, HIPAC allows the user toincorporate computer assistedmethod development in a wide rangeof separation problems. Computerassisted optimization has advantagesover the trial-and-error approach.HIPAC uses computer simulations,based on established chromato-graphic theory, which are reproduc-ible and independent of the skills ofthe analyst.

Phase Separations Inc., 140 Water St.,Norwalk, Connecticutt 06854, USA.

Chromatographic data softwareA powerful Macintosh tool for theacquisition, analysis, and display ofchromatographic data, the PEAKSprogram, adheres to Apple’s inter-face guidelines, and is easy to use. Allacquisition parameters are auto-matic. The system hardware employsa 14-bit autoranging analogue todigital converter that provides 20 bitsof effective resolution. All commonlyused features such as baseline correc-tion, injection times, and peak detec-tion/integration are managedthrough the use of screen controls.

Mac Science Solutions, 17 Water St.,Milford, Massachusetts 01757, USA.

LIFE SCIENCES:INSTRUMENTATION

Formalin recycling systemA formalin recycling system, thePure-Form 2000, is designed for usein histology and pathology labora-tories. The unit is fully automaticand reagent purity is ensured withthe use ofglass and PTFE design. Upto 5 gal of waste are loaded into thesystem, the user pushes a button, andthe waste formalin is processed un-attended in 12 h. All facets of theoperation are microprocessor-moni-tored, including waste removal. Therecovered formalin needs only to bebuffered before it is reused.

B/R Instrument Corp., P.O. Box 7,Pasadena, Maryland 21122, USA.

Multiple peptide synthesizerThe ACT model 350 robotic multiplepeptide synthesizer enables rapidsynthesis of up to 96 different pep-tides in one run. The instrument hasan orbital shaker system to providethorough resin agitation, and iscontrolled by interactive-windowsoftware that calculates solvent/re-agent compositions and monitorssynthesis progress. The Model 350uses Fmoc chemistry and produces 5-75 mg ofeach peptide, and is suitablefor screening methods and small-scale custom peptide production.

Advanced ChemTech, P.O. Box 1403,Louisville, Kentucky 40201, USA.

Distillation systemThe AutoMaxx 9000 automated dis-tillation system can perform a broadrange of distillations, from completecrude assays to fully automated ana-lytical distillations. Maximum pro-gramming flexibility allows the oper-ator to create a detailed program thatcan run a wide range of materials. Atouch screen lets the operator viewrun parameters, a data table, ordistillation curve. IBP or vapourpressure is diplayed in 5%increments when the test isunderway.

B/R International, Inc., P.O. Box 1026,Pasadena, Maryland 21122, USA.

LIQUID HANDLINGAPPARATUS

Automated liquid dispenserThe MT200 sample distributionsystem uses liquid aspirating/dis-pensing modules to transfer samplesand add reagents to the transferredsamples. Available with one, two, orfour independent probes, with inde-pendent liquid level detection, theMT200 can interface with up to eightexternal devices. The unit has samplebarcode reading capability, and cor-relates information on barcodes,sample processing, and detector to

provide reports. Multitasking allowsthe instrument to continuously com-municate with mainframe computersfor information transfer.

Dynatech Laboratories, Inc., 1430 Sully-field Circle, Chantilly, Virginia 22021,USA.

159

New products

Electronic pipetteThe METRON electronic pipettecan perform the pipetting functionsof many types of handheld pipettes.Microprocessor control together withstate-of-the-art engineering providesfor a highly precise liquid trans-fer instrument that is easy to useand ergonomically comfortable tohandle. The pipette is also veryadaptable to OEM applicationswhere pipetting operations can becontrolled by an alternate controller.

Medical Laboratory Automation, Inc., 270Marble Ave., Pleasantville, New York10570-2982, USA.

MICROSCOPY, IMAGE ANALY-SIS AND LABORATORYOPTICS

pH AND SPECIFIC ION ELEC-TRODES AND METERS

Autochemistry systemThe model 960 is a powerful, auto-mated analytical instrumentdesigned to enhance and expandmeasurements using ion-selectiveand pH electrodes. The instrument isintended for use in the QC laboratorywhere automation is needed to over-come problems of analytical com-plexity or sample throughput. Unlikeother single parameter analysers orautomatic titrators, this unit offers awide,, range of techniques, options,and reagents for analysing speciesthat can be measured by electrode,including species that cannot betitrated.

Orion Research, Inc., The Schrafft Center,529 Main St., Boston, Massachusetts02129, USA.

cibility. The system eliminates acidexcess by evaporating to dryness.

Prolabo, 12, rue Pelee, BP 369, 75526Paris Cedex 11, France.

FLUORESCENCE

Multifrequency phasefluorometerThe K2 multifrequency phase fluor-ometer is designed for time-resolvedfluorescence studies. It allows theresolution of multi-exponentialdecays, the anisotropy decay offluor-escence, time-resolved spectra,phase-resolved spectra, and phase-resolved kinetics. The device alsoworks as a steady-state fluorometerfor excitation and emission spectra,polarization spectra, synchronousluminescence spectra, and kineticsstudies.

Cell image analyserThe Samba 4000 cell image analyserfor applications in the biologicalsciences features true colour analysis.Programs exist for a variety ofresearch and clinical applicationsincluding ploidy, ER/PR, quantita-tive immunolabelling, morphometry,in situ hybridization, fluorescence,autoradiography, and others. A flex-ible open software environment isalso available for the custom develop-ment of imaging programs.

Dynatech Laboratories, Inc., 14340 Sully-field Circle, Chantilly, Virginia 22021,USA.

Scanning electron microscopeThe ABT-32X/II is a fully integrateddigital scanning electron microscopeand energy dispersive x-ray analysissystem. The SEM can be operatedfrom a simple push-button controlpanel or via a mouse and menudisplay on a SUN workstation. Acomputer-controlled stage is alsoavailable, which allows fully auto-mated analysis sequences to beimplemented.

International Scientific Instruments, Inc.,6940 Koll Center Parkway, Pleasanton,California 94566, USA.

SPECTROSCOPY AA

Plasma sourceA plasma source couples the highefficiencies of electrothermal atom-ization with plasma excitation result-ing in the simultaneous detection ofmany elements at high sensitivitywith few interferences. The sourceincorporates an integrated contactcuvette graphite furnace and anatmospheric pressure RF capacit-ively coupled plasma. The device canbe adapted to function as an atomizerfor atomic absorption and can besimply attached to most existing AAand AE instrumentation.

Aurora Instruments, Ltd., 3031 Main St.,Vancouver, British Columbia V5T 3G6,Canada.

Digestion systemThe Microdigest M 301 modulardigestion unit incorporates a focusedmicrowave for rapid sample prep-aration before AAS and ICP analy-sis. The complete system consists ofacontrol module that can control up tothree units. Each unit can incorpor-ate up to three reagent pumps. Thedigestion unit features the flexibilityof a modular system, safety of auto-matic reagent addition, and reprodu-

ISS Inc., 309 Windsot Rd., Champaign,Illinois 61820, USA.

Luminescence spectrometerThe economical series 2 lumi-nescence spectrometer offers bothcontinuous and pulsed light sourcesfor fluorescence and phosphor-escence measurements. Capabilitiesinclude automated intracellular ana-lyses using fluorescent probes forimaging or photometric measure-ments. The software packagefeatures a graphical user interface,multitasking, and automation.

SLM-AMINCO, 810 W. Anthony Dr.,Urbana, Illinois, USA.

FTIR

Chemical process analyserA full-scale chemical process ana-

lyser employs an infrared sensingprobe immersed in a batch reactionvessel. The system, which typicallycollects and stores a complete mid-infrared spectrum once every 30 sec,measures the changes in individualchemical bonds as they take place,providing a window into the reaction.Multi-component analysis softwareis then used to provide time plots ofthe concentrations of each constit-uent in the reaction.

160

New products

Laser Precision Analytical/Analect, 17819Gillette Ave., Irvine, California 92714,USA.

FTIRThe compact Analect Diamond-20FTIR features one of the first appli-cations of Microsoft Windows 3"0 toFTIR. The Windows-based softwareincorporates symbolic icons, inter-active pop-up menus, and an on-linemanual for help. The instrument’spermanently aligned optics are her-metically sealed in a rugged castbody so that it can be operated in anuncontrolled environment withoutpurging.

Laser Precision Analytical/Analect (asabove).

FTIR spectrometerThe Galaxy Series 7000 FTIR spec-trometer provides high performancewith 0"4 cm-1 resolution capabilityand high sensitivity 18-bit ADC.With 17 user-selectable scan speeds,the instrument can be optimized forany analysis technique and detectorcombination. The Galaxy 7000features fast detector change withcomputer-controlled selection ofbeam path and detector selection,and a sealed and desiccated interfer-ometer to protect sensitive opticalcomponents.

Mattson Instruments, 1001 Fourier Ct.,Madison, Wisconsin 53717, USA.

Dedicated QC analysersThe 8200 Series QC analysers auto-matically analyse QC samples. One-button operation allows for highsample throughput with minimalsample preparation and operatortraining, and no operator variability.The 8210 liquids analyser systemuses FTIR spectroscopy, accom-

panied by the ATR (attenuated totalreflectance) technique. The 8210’soptics provide significantly increasedsensitivity over general-purposeinstruments using standard samplecompartments and standard sam-pling accessory designs. The 8210EFTIR analyser offers extended flexi-bility by allowing a variety of sam-pling accessories to be used whilemaintaining the same ease ofoperation.

Nicolet Instrument Corp., Analytical Div.,5225 Verona Rd., P.O. Box 4451,Madison, Wisconsin 53711-0451, USA.

Research-grade IR microscopysystemThe Nic-Plan combines advancedmicroscopic imaging with IR spec-troscopy and chemical analysis wheninterfaced with a Nicolet FTIR spec-trometer. The instrument featuresthe View-Thru projected aperturemasking system, which permits theentire sample image to be viewedwhile simultaneously positioning theapertures for IR sampling. TheFTIR processor controls the IRbeam path in the microscope. Com-puterised motor control is availablefor viewing/sampling, transmission/reflectance, and motorized stagepositioning. The Nic-Plan has an on-axis optical design, Redundant Aper-turing, and sample compensationwith Cassegrainian Reflachromaloptics for highly accurate sampling.

Nicolet Instrument Corp. (as above).

Low-cost FTIR spectrometerThe Galaxy Series 3000 spectrometeris a low-cost, workhorse FTIR featur-ing 2 cm-1 resolution with highstability optics. The instrument iscompatible with any MS-DOS basedIBM AT-compatible computersystem. The Galaxy 3000 can beconfigured for dedicated analysisroutines with FIRST macros, as a

teaching system with U-FIRST, or asa full-featured analytical system withresearch level FIRST software.

Mattson Instruments, 1001 Fourier Ct.,Madison, Wisconsin 53717, USA.

FT-Raman spectroscopy systemA FT-Raman spectroscopy system isoptimised to fully realise the intrinsicadvantages of FT spectroscopy,making Raman spectroscopy applic-able to a wider range ofsample types.Two important advantages are theprofound decreases in fluorescenceand thermal decomposition effects.Additional advantages include theinherent throughput, multiplex, andwavenumber accuracy advantages,and the ability to collect high-resolu-tion Raman spectra in a short time.The FT-Raman system providescapability for acquiring both FT-Raman and FTIR spectra on the

same sample in only a few minutes.The NIC-Notch filter system per-forms measurements ofRaman shiftsvery close to the Rayleigh line andsimultaneous collection of Stokes andanti-Stokes data.

Nicolet Instruments Corp. (as above).

ICP-AES

ICP-AES spectrometerThe MAXIM series ofhigh through-put, flexible, and high speed ICP-AES spectrometers increase labora-tory productivity and analyticalaccuracy. The instrument offerssimultaneous analysis with sequen-tial flexibility, determining up to 60elements for each analysis and accessto a 200 wavelength array with fullbenefit of high resolution Echelleoptics. The high-powered axialplasma source neutralizes inter-ferences and other associated effects.

Applied Research Laboratories/FisonInstruments, 24911 Avenue Stanford,Valencia, California 91355, USA.

Simultaneous plasmaspectrometerA new purged path optical design forthe ICAP 61E simultaneous plasmaspectrometer and PolyScan 61Esimultaneous sequential plasmaspectrometer has been introduced.The instruments can be used forelemental analysis of water, oils, anda wide variety ofother materials. Thepurge path optical design can be usedfor the determination of elements inthe vacuum ultraviolet wavelengthregion. The purge gas, normallyargon or nitrogen, removesunwanted oxygen from the light pathand environmentally isolates theoptics from acid fumes in thelaboratory.

Thermol Jarrell Ash Corp., 8E ForgePkwy., Franklin, Massachusetts 02038-9101, USA.

Sequential spectrometerThe ICP 2070 sequential spec-trometer features complete inte-gration of all components: FR gener-ator, emission source, optics,electronics, cooling recirculator,vacuum pump, computer, monitor,

161

New products

printer, and optional samplechanger. The system is a self-con-tained, ergonomically designed, sit-down work area. A solid state gener-ator is microprocessor controlled toprovide error-free plasma ignition,constant plume quality, and precisedigital adjustment of output power.

Baird Corp., 125 Middlesex Tpk., Bed-ford, Massachusetts 01730, USA.

Dual monochromator ICP systemThe model D dual monochromatorICP system provides high qualityanalytical capabilities compared toother sequential ICP systems. As aresult of a unique monochromator.design, movement between lines isminimized with very accurate wave-length positioning. Direct drive to thedesired wavelength is accomplishedwithout time-consuming peaksearches and associated positioningerrors, particularly at analyte con-centrations close to detection limit.The system is insensitive to tempera-ture fluctuations.

Spectro Analytical Instruments, Inc., 160Authority Dr., Fitchburg, Massachusetts01420, USA.

Sample introduction system forICPThe Tandem dual multiplexed sam-ple introduction system for ICPdoubles the sample throughput ofthePS series ICP/Echelle spectrometers.The system consists of two completesample introduction systems(random access autosamplers, nebu-lizers, and spray chambers) and aninert shuttle valve, all operatingunder computer control. Available inglass and HF-resistant versions, thesystem can be used for any appli-cation requiring greater samplethroughput such as environmental,geological, and lube oil wear metalanalysis.

Leeman Labs, Inc., 55 Technology Dr.,Lowell, Massachusetts 01851, USA.

ICP/OES spectrometerThe Liberty 100/200 inductivelycoupled plasma optical emission se-quential spectrometer offers veryhigh resolution across the 160-900-nm spectrum with the use ofa uniqueoptical system. The Liberty 100 (air

path) and 200 (vacuum path) modelseach have high-efficiency RF systemfor unequalled organics perfor-mance. Standard inert ’SturmanMasters’ spray chamber runs allacids and organics. Central PC-controlled multitasking softwareallows complete operational flexi-bility and unattended operation.Accessories include a 500-positionautosampler.

Varian Associates, 200 Humboldt Court,Sunnyvale, California 94089, USA.

LC-MS

Magnetic sector massspectrometerThe LC/AX low-cost magneticsector MS for LC-MS offers highsensitivity with better signal-to-noiseand greater reproducibility thanquadrupole mass spectrometers.Also on display will be the electro-spray ionization source for use withthe LC/AX. This instrument permitsthe analysis of high-molecular-weight proteins and polymers at highsensitivity: Existing JEOL spec-trometers may be updated to use thistechnique.

JEOL U.S.A., Inc., 11 Dearborn Rd.,Peabody, Massachusetts 01960, USA.

MS

Mass spectrometerThe Concept 32 is a high perfor-mance mass spectrometer designedfor environmental, biotechnological,or general analytical applications. Abasic two-sector instrument for use inresearch and general services workcan be extended to a hybrid MS/MSor a four-sector MS/MS instrumentwith ultimate sensitivity and resolu-tion. Resolutions ranging from25 000 to 150 000 and mass ranges ashigh as 10000 daltons at 8 Kvaccelerating voltage are readilyavailable.

Dratos Analytical, 535 E. Crescent Ave.,Ramsey, New Jersey 07446, USA.

Mass spectometerThe Automass mass spectometer,suited for high sensitivity analysis,features a quadrupole mass analyser

with a rod diameter large than thatfound in other systems. Prefilters areused to eliminate quadrupolecontamination, while Re-solver elec-tronics give optimum peak shape.Ionization is achieved by a newelectron impact source that providesion transmission, sensitivity, andhigh resolution.

Delsi Nermag, 98ter Bd. Helois, 95100Argenteuil, France.

NMR

FT-NMR spectrometerThe model R-1500 FT-NMR offersthe following features: pulse Fouriertransform data acquisition and pro-cessing for improved sensitivity,multitasking microcomputer controlwith post-run processing and diskstorage to save time and increasethroughput, 16k data points for max-imum data acquisition and post-runprocessing resolution, deuteriumlock for improved field stabililty, T1relaxation time via the inversionrecovery method for complex spec-tral interpretation, and WEFT spec-tral processing to expand the dy-namic range.

Hitachi Instruments, Inc., 44 Old Ridge-bury Rd., Danbury, Connecticut 06810,USA.

NMR spectrometerSeveral data changes in the QE 300NMR spectroscopy system providefaster and simpler operation,increase data handling capacity, andexpand experimental capabilities.The enhanced system, QE Plus,includes: 3"5-in. floppy disk drive toincrease data storage from Mbyteto 1.44 Mbyte: 344 Mbyte hard diskdrive as standard; 512K wordmemory as standard; addition of256-step pulse programmer board; userability to create individual H and Cspectral libraries; and macro librarydoubled to 128. These macros con-tain such operations as calibrationchecks, routine H survey with inte-gration, automated edited DEPT, 2Dhetero correlation, and 2D phase-sensitive NOESY.

GE NMR Instruments, P.O. Box 414,Milwaukee, Wisconsin 53201, USA.

162

New products

Portable arc/spark emissionspectrometerThe ARC-MET portable arc/sparkemission spectrometer for alloyanalysis and identification measurescarbon in low alloy and tool steelsdown to 0"05%, as well as otherelements commonly found in lowalloy and stainless steels. The instru-ment can also perform identificationvia its 400 alloy library or internalgrade tables. The 13130 L Plus is ananalytically advanced single/multi-stream on-line XRF analyser that iscapable of measuring up to six ele-ments in each of six streams.

Outokumpu Electronics Inc., 860 TownCenter Drive, Langhorne, Pennsylvania19047, USA.

TITRATION APPARATUS

Equilibrium TitratorThe Mitsubishi model GT-06 micro-processor-controlled equilibriumtitrator has a built-in printer thatdisplays both the classical titrationcurve as well as the first derivative,data, results, and calculations. Allparameters, calculations, and sampleinformation can be easily pro-grammed by the user. Demon-stration files stored in permanentmemory contain parameters forcommon titration methods. Thedemonstration files can be loadedinto active memory or used directly,or can be simply amended by theoperator for customised titrationmethods. The model GT-06 canautomatically operate up to fourburettes, and connect to a balance, asample changer, a full-size graphicsprinter, or a solvent dispenser.

Cosa Instruments Corp., 55 Oak St.,Norwood, New Jersey 07648, USA.

Automatic sample changerThe model CHG-310 automatic sam-ple changer for automatic titrationanalysis can accommodate either 12or 113 samples using standard beakersizes. The unit has predefined sam-pling sequences and can also be user-programmed for difficult non-standard titration sequences. Aunique electrode washing system

allows for aqueous and solvent rins-ing control. Optional accessoriesinclude a controlled water bath,fumehood, multiple stirring, and aconical flask turntable.

Kyoto Electronics Manufacturing USA,Inc., 2 Edison Place, Springfield, NewJersey 07081, USA.

PC-based titration systemThe PC-Tritrate IBM PC-basedsystem for acid/base titrations allowscontrol over titrations and providesquality data analysis. Featuresinclude; post-run analysis, special-ised database, a scheduler that allowsuser to define complex sequencesbefore, during, and after titrations,parser that permits the entry of up to18 equations, conventional data, andGrans’s analysis.

Man-Tech Associates, Inc., 900 HertelAve., Buffalo, New York 14216-0209,USA.

Karl Fischer titratorThe DL35 volumetric Karl Fischertitrator features methods storage,statistics calculations, selectableresult units, and on-line backgroundrift monitoring and compensation.Ten routine procedures are supplied,which also lets the user store up to 50methods for moisture measurements.The titrator’s design assures minimalbackground moisture intrusion, ther-eby allowing low level analyses ofwater in analytical mixtures orproducts. For applications where thesample cannot be introduced directlyin the Karl Fischer reagent, twooptional evaporation ovens areavailable.

Mettler Instrument Corp., AnalyticalInstrument Corp., Analytical InstrumentsDiv., Box 71, Princeton-Hightstown Rd.,Hightstown, New Jersey 08520, USA.

Karl Fischer coulometerThe DL37 KF Coulometer preciselydetermines very low levels of moist-ure in solid, liquid, and gaseoussamples. The DL37 KF, with match-ing DO337 drying oven, comple-ments the company’s Karl Fischertitrators when water content is to bedetermined in the microgram range.Compact and highly automated, theDL37 allows five user-defined meth-

ods to be stored and recalled via itsmethod key.

Mettler Instrument Corp. (as above).

Karl Fischer titratorsA complete line of Karl Fischertitrators set new standards for accu-racy, performance; and operatingconvenience in moisture detection.Using the latest in electronic tech-nology, advanced chemistry, andprecision engineering, these titratorsoffer many advantages in the detec-tion of moisture in a wide variety ofsolid, liquid, and gaseous materials.

Orion Research, Inc., 529 Main St., The

Schrafft Bldg., Boston, Massachusetts02129, USA.

UV-VIS

Diode array spectrophotometerThe programmable DU 7500 diodearray spectrophotometer is designedfor life science laboratories, includingresearch laboratories, where scien-tists work with microvolume andultramicrovolume samples as smallas 5 btl. Typical applications includethe identification and characteriz-ation of enzymes, proteins, and nu-cleic acids. The DU series 7000instruments feature FSQ full spec-trum quantitation, which allowsresearchers to determine in concen-tration units the individual com-ponents in complex mixtures.

Beckman Instruments, Inc., 2500 HarborBlvd., Fullerton, California 93634-3100,USA.

UV-VIS spectrophotometerThe model GBC 916 double-beamUV-VIS spectrophotometer featuresa complete range of automated ac-cessories. The instrument iscontrolled by an external computerthat offers full colour graphics andcomplete data storage. The operatingsoftware provides a fully integratedsystem for instrument control, dataanalysis, and report generation. Anextensive range of graphics manipu-lation functions, including 3-Ddisplay, is provided.

GBC Scientific Equipment Pty. Ltd., 22Brooklyn Ave., Dandenong, Victoria 3175,Australia.

163

New products

Near UV-VIS spectrophotometerThe model S 500 near UV-VISspectrophotometer measures wave-lengths between 330 and 900 nm.The unit has a microprocessor andfeatures: automatic adjustment ofmonchromator; software for readingtransmittance, absorbance, multi-standard concentration, kinetics, andspectrum; and storage of analyticalmethods. The instrument has a cellcompartment for cells 10 to 40 mmlong and can be equipped with a

variety of accessories including afunnel flow-through cell, a 30 1 flow-through cell, and a graphic printer.

Secomam, 9, rue de l’Escouvrier-Z.I., F-95200, Sarcelles, France.

PC-controlled spectrophotometerThe model S.1000PC UV-VIS spec-trophotometer features a monochro-mator that is directly controlled by aPC. The instrument has a language

that combines spectrophotometercontrolling commands with generalmicrocomputer language instruction.The basic software incorporates a

comprehensive set of instructions.The instrument can be used as an on-line monitor and automated for drugdissolution testing, or an integratordetector for chromatography.

Secomam (as above).

SpectrophotometerThe PRIM.C features original grat-ing optics, wide wavelength range,and chopped optics to prevent drift-ing ofzero ofT. Advanced electronicsfeature automatic zero and extendedsoftware programs. Switching thepower supply reduces overheatingand allows independent battery oper-ation. The keyboard and menus areshown on LED display for easyselection of absorbance, transmit-tance, concentration, and kinetics

modes. The unit also features awavelength range of 330-990 nm.

Secomam (as above).

X-RAY SPECTROSCOPY

WDXRF sequential spectrometerThe model 8410 WDXRF sequentialspectrometer is a small, versatile unitthat meets the needs of any labora-tory, including petrochemical, plas-tics, manufacturing, academic, orcorporate research. Standardfeatures include the moire fringe(gearless) goniometer, three colli-mators, nine crystal positions,encoded cassettes for automatedsample handling, end window RH x-

ray tube for maximum excitation,and Microsoft Windows driven sof-tware for maximum flexibility.

Applied Research Laboratories/FisonsInstruments, 24911 Avenue Stanford,Valencia, California 91355, USA.

164