DIN EN ISO 7393-2:2019-03 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); German version EN ISO 7393-2:2018

标准编号：DIN EN ISO 7393-2:2019-03

英文标题：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); German version EN ISO 7393-2:2018

德文标题：Wasserbeschaffenheit - Bestimmung von freiem Chlor und Gesamtchlor - Teil 2: Kolorimetrisches Verfahren mit N,N-Dialkyl-1,4-Phenylendiamin für Routinekontrollen (ISO 7393-2:2017); Deutsche Fassung EN ISO 7393-2:2018

发布日期：2019-03

DIN EN ISO 7393-2:2019-03 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); German version EN ISO 7393-2:2018

标准预览图