KS I ISO 7393-1-2007(2017) water quality-Determination of free chlorine and total chlorine-Part 1:Titrimetric method using n,n-diethyl-1,4-phenylenediamine
2023KS I ISO 7393-1-2023 Water quality — Determination of free chlorine and total chlorine — Part 1: Titrimetric method using N,N-diethyl-1,4-phenylenediamine
0000 KS I ISO 7393-1-2007(2017)
2007KS I ISO 7393-1:2007 water quality-Determination of free chlorine and total chlorine-Part 1:Titrimetric method using n,n-diethyl-1,4-phenylenediamine