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TRES-55609 An ISO 9001:2208 | ISO 14001:2008 | ISO 13485 WHO:GMP Products | GLP Compliant Products
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TRES-55609
An ISO 9001:2208 | ISO 14001:2008 | ISO 13485WHO:GMP Products | GLP Compliant Products
Weiber multi-function reactor is an ideal instrument for
performing multiple functions as ascertaining Chemical Oxygen
Demand, i.e. COD and TP / TN. COD is necessary to ascertain the
oxygen requirement of waste water prior to its release into the
environment, so that it can be monitored and controlled to avoid
harmful effects on the nature, human beings, etc.
Chemicals / Nutrients as Nitrogen and Phosphorous are vital
water quality parameter. Depending upon their chemical forms
they significantly directly or indirectly affect plant growth,
oxygen concentrations, water clarity, etc. Plants require these
chemicals to grow, reproduce and to keep away diseases. Natural
sources of N include fresh water, decomposing organic matter and
waste, extraction of nitrogen gas from some bacteria and blue
TN / TP analysis
algae. Man made sources are effluent from water treatment
plants, agricultural fertilizers, industrial wastes, livestock
wastes, etc.
Phosphorous exists in water in several forms; total phosphorous is
one of them. Decomposition of dead plants and animals adds to
TP in water. These can enter an estuary from water treatment
plants, sewage, soils, agricultural fields, etc. High P level is there
due to storms, or due to irrigational activities.
Due to atmospheric deposition the N and P pollutants from
manmade sources in the air fall on land or water bodies, thereby
contaminating them.
Total Nitrogen & Phosphorus Estimation
ACMAS TECHNOCRACY PVT. LTD.www.measuring-meters.com | www.acmasindia.com | www.scientificlaboratoryequipments.com
ACMAS TECHNOCRACY PVT. LTD.www.measuring-meters.com | www.acmasindia.com | www.scientificlaboratoryequipments.com
Total Nitrogen & PhosphorusEstimation Reactor
Working Principle for TN:
Working Principle for TP:
An alkaline persulfate digestion converts all forms of nitrogen to nitrate.
Nitrate then reacts with chromotropic acid under strongly acidic
conditions to form a yellow complex with an absorbance maximum at
420 nm.
Phosphates are converted to orthophosphates by heating with acid and
persulfate. Orthophosphate reacts with molybdate in an acid medium to
produce a mixed phosphate/molybdate complex. Ascorbic acid then
reduces the complex, giving an intense molybdenum blue color. Test
results are measured at 610 nm.
• Transparent Protective Lid
• Auto Shutdown at End of Completion of the ProcedureFeat
ures
ACMAS TECHNOCRACY PVT. LTD.www.measuring-meters.com | www.acmasindia.com | www.scientificlaboratoryequipments.com
Technical Specifications
• Temperature for: • COD - 165°C • TP / TN - 105°C
• Capacity : 24 vials of size 16 x 100 mm
• Warm up Time : 20 minutes
• Power Requirements : 220±22V, 50Hz, 300W
• Ambient Operating Temperature : 0 to 50 ?
• Temperature Stability : ±1?
• Accuracy : ±1?
• Timer : 1-1680 minutes
(31 hours) with
audible alarm
And feature of
being automatic
• Range Adjustment : 105-165±1?,
Shortcuts for
105? and 150?
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