Influence of organic materials on water intended for human consumption - Determination of odour and flavour assessment of water in piping systems - Part 1: Test method; German version EN 1420-1:1999— 14 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); German version EN ISO 7393-2:2000— 17 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)
Plastic piping systems for the transport of water intended for human consumption - Migration assessment - Part 1: Determination of migration values of plastic pipes; German version EN 852-1:1996— 9 стр.
Influence of organic materials on water intended for human consumption - Determination of odour and flavour assessment of water in piping systems— 28 стр.
