Upload
vubao
View
213
Download
0
Embed Size (px)
Citation preview
Klett . . . Photometers
Klett-Summerson Photoelectric
Glass Cell Colorimeter
The Klett Fluorimeter
Designed £or the rapid and accurate determination of thiamin, riboflavin, and other substances which fluoresce in solution. The sensitivity and stability are such that it has been found particularly useful in determining^ very small amounts of these substances.
KLETT SCIENTIFIC PRODUCTS PHOTOELECTRIC COLORIMETERS · BIO-COLORIMETERS GLASS ABSORPTION CELLS · COLORIMETER NEPHELOM-ETERS · GLASS STANDARDS · KLETT REAGENTS
Klett Manufacturing Co., Inc. 179 EAST 87TH STREET, NEW YORK, Ν. Υ.
Circle Να. 77 on Readers' Service Card
anything up to 350° Centigrade with a
T E C A M ® FLUIDISED BATH (patents applied for)
Has the advantages of ready access to contents, high rate of heat transfer and uniformity of temperature wi thout the mess, smell and fire risk of hot oi l . It is an ideal method of testing plastics, elastomers and electrical components because the fluidised sand is neither a solvent nor a conductor. It is a convenient way of rapidly drying samples of fabric, wood and paper. A t higher temperatures it is an excellent tempering and heat ageing bath for metals. The T E C A M « bath wi l l run continuously at 350 C (662 F) from an air supply of 3 p.s.i. obtainable from an air line or from a small vane-type air blower driven by a I H.P. motor. The pneumatic temperature control ler automatically selects one or both of the I k.W. heaters to give opt imum performance at the temperature selected on the drum dial. The unit incorporates a fail-safe device. W r i t e for p a r t i c u l a r s t o : -
BRUNSWICK PIKE, PRINCETON, N.J., U.S.A.
No. 900-3
•
No. 2070
TECHNE Telephone: WALnut 1-2817
(PRINCETON) LTD.
Circle No. 174 on Readers' Service Card •^7235
8 2 A · ANALYTICAL CHEMISTRY
THE HEAT'S ON