Water quality - Determination of free chlorine and total chlorine - Part 1: Titrimetric method using N,N-diethyl-1,4-phenylenediamine (ISO 7393-1:1985)
Water quality - Determination of biochemical oxygen demand after n days (BOD<(Index)n>) - Part 1: Dilution and seeding method with allylthiourea acid addition (ISO 5815:1989, modified); German version EN 1899-1:1998— 21 стр.
Influence of cementitious products on water intended for human consumption - Test methods - Part 3: Migration of substances from factory-made cementititous products
Influence of cementitious products on water intended for human consumption - Test methods - Part 1: Influence of factory made cementitious products on organoleptic parameters
