9/8/2023
(2) CHLORINE IN WATER
(RESIDUAL CHLORINE)
SOURCE OF CHLORINE IN WATER :
Chlorination process, in which chlorine gas (Cl2 ),
hypochlorous acid (HOCl), hypochlorite (OCl-) or
chloramines are used as disinfectants.
91
DETERMINATION :
Photometric method (DPD reagent)
92
46