DIN EN ISO 7393-2
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
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
Document: references other documents
Responsible national committee
NA 119-01-03-01-25 AK - Chlorine with phenylenediamine
Responsible european committee
CEN/TC 230/WG 1 - Physical and biochemical methods
Responsible international committee
ISO/TC 147/SC 2 - Physical, chemical and biochemical methods