Influence of organic materials on water intended for human consumption - Determination of the chlorine demand - Test method; German version EN 14718:2014— 19 стр.
Water quality - Determination of free chlorine and total chlorine - Part 2: Colorimetric method using N,N-diethyl-1,4-phenylenediamine for routine control purposes (ISO 7393-2:1985)
Influence of organic materials on water intended for human consumption - Determination of the chlorine demand - Test method; German version EN 14718:2006— 18 стр.
Influence of organic materials on water intended for human consumption - Determination of the chlorine demand - Test method; German version EN 14718:2014
Influence of organic materials on water intended for human consumption - Determination of the chlorine demand - Test method; German version EN 14718:2006— 18 стр.
