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
German title
Wasserbeschaffenheit - Bestimmung von freiem Chlor und Gesamtchlor - Teil 1: Titrimetrisches Verfahren mit N,N-Diethyl-1,4-Phenylendiamin (ISO 7393-1:1985); Deutsche Fassung EN ISO 7393-1:2000
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