Influence of cementitious products on water intended for human consumption. Test methods. Influence of factory made cementitious products on organoleptic parameters— 50 стр.
Water quality -- Enumeration of Escherichia coli and coliform bacteria -- Part 1: Membrane filtration method for waters with low bacterial background flora -- Amendment 1— 6 стр.
Water quality. Enumeration of Escherichia coli and coliform bacteria. Membrane filtration method for waters with low bacterial background flora— 22 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— 12 стр.
Water quality. Determination of free chlorine and total chlorine, Colorimetric method using N,N-diethyl-1,4-phenylenediamine for routine control purposes— 16 стр.