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Water quality — Determination of free chlorine and total chlorine — Part 1: Titrimetric method using N,N-diet…

Overview ISO 7393-1:1985 specifies a titrimetric DPD method for the determination of free chlorine and total chlorine in water. The method uses N,N-diethyl-1,4-phenylenediamine (DPD) to form a red ox…

Water quality. Determination of free chlorine and total chlorine - Titrimetric method using N,N-diethyl-1,4-p…