Description
DPD Reagents – pastilles and POOLTESTER Photometer for measuring and analyzing WATER
Description The DPD reagent is a colorimetric method based on N-diethyl-p-phenylendiamine that on contact with a water sample reacts, making the same stay in color magenta proportion to the concentration of chlorine present in the water.
the DPD reagents are white and have a crystalline appearance. When a reagent (tablet or powder) is not white and has a gray / brown should not be used.
Liquid reagents other hand are usually colorless, brown when they should not be used. To avoid erroneous results, avoid the use of reagents in poor condition.
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