Product series/PRODUCTS
A cationic dye, methylene blue, reacts with anionic surfactants to form a blue salt. This compound can be extracted by trichloromethane and then measured for its absorbance A at 652 nm. The A value is used to calculate the content of anionic surfactants.
● Online monitoring of surface water
● Online monitoring of chloride levels in drinking water.
● Online monitoring of chloride levels in wastewater discharge from pollution sources.
