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
Wasserbeschaffenheit - Bestimmung von freiem Chlor und Gesamtchlor - Teil 2: Kolorimetrisches Verfahren mit N,N-Dialkyl-1,4-Phenylendiamin für Routinekontrollen
Responsible national committee
NA 119-01-03 AA - Water quality (CEN/TC 230, ISO/TC 147)
Responsible international committee
ISO/TC 147/SC 2 - Physical, chemical and biochemical methods