EN ISO 7393-2:2000 Water Quality - Determination of Free Chlorine and Total Chlorine - Part 2: Calorimetric Method Using N,N-Diethyl-1,4-Phenylenediamine, for Routine Control Purposes
ISO 7393-2:1985 Water quality; Determination of free chlorine and total chlorine; Part 2 : Colorimetric method using N,N-diethyl-1,4-phenylenediamine, for routine control purposes
BS EN 14718:2014 history
2015BS EN 14718:2014 Influence of organic materials on water intended for human consumption. Determination of the chlorine demand. Test method
2006BS EN 14718:2006 Influence of organic materials on water intended for human consumption - Determination of the chlorine demand - Test method