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Nitrite
FEATURES:

The method is specific for the measurement of nitrite ion as the nitrous acid has to be formed to achieve the diazatization reaction.
The reaction is extremely sensitive and a fairly high absorbance is obtained for 100 ppb which is often the legal limit of nitrite in drinking water.


MEASURING PRINCIPLE:

Colorimetric

The method is based upon the diazatization reaction of the nitrous acid, formed from the nitrite ions, with the sulfanilamide to form a brightly colored diazo dye.

SPECIFICATIONS:

Range: 0 to 500 ppb
Resolution: 0.001 ppb
Calibration: Zero and FS

Reagent Consumption:
 
Reagent 1: 0.4 ml / analysis
Reagent 2: 0.4 ml / analysis
Wavelength: 550 nm

Analysis Time: Less than 20 mins
INSTRAN - Online Nitrite Analyzer
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