Water quality - Determination of free chlorine and total chlorine - Part 1: Titrimetric method using N,N-diethyl-1,4-phenylenediamine (ISO 7393-1:1985); German version EN ISO 7393-1:2000
Edition 2000-04

Water quality; Determination of free chlorine and total chlorine; Part 1 : Titrimetric method using N,N-diethyl-1,4-phenylenediamine
Edition 1985-09

Water quality - Determination of free chlorine and total chlorine - Part 1: Titrimetric method using N,N-diethyl-1,4-phenylenediamine; Technical Corrigendum 1
Edition 2001-03

Water quality - Determination of free chlorine and total chlorine - Part 1: Titrimetric method using N,N-diethyl-1,4-phenylenediamine (ISO 7393-1:1985)
Edition 2000-06-01

Water quality - Determination of free chlorine and total chlorine - Part 2: Colorimetric method using N,N-dialkyl-1,4-phenylenediamine, for routine control purposes (ISO 7393-2:2017)
Edition 2019-03-15

Water analysis - Determination of ozone - Colorimetric method using N,N-diethyl-1,4-phenylenediamine for routine control purposes
Edition 2010-03-15

Water quality - Determination of free chlorine and total chlorine - Part 1: Titrimetric method using N,N-diethyl-1,4-phenylenediamine (ISO 7393-1:1985)
Edition 2000-03

Water quality - Determination of free chlorine and total chlorine - Part 2: Colorimetric method using N,N-dialkyl-1,4-phenylenediamine, for routine control purposes (ISO 7393-2:2017)
Edition 2018-07

Water quality - Determination of free chlorine and total chlorine - Part 1: titrimetric method using N, N-diethyl-1,4-phenylenediamine
Edition 2000-03-01

Water quality - Determination of free chlorine and total chlorine - Part 2: colorimetric method using N,N-dialkyl-1,4-phenylenediamine, for routine control purposes
Edition 2018-03-21