Water quality. Determination of free chlorine and total chlorine. Colorimetric method using N,N-dialkyl-1,4-phenylenediamine, for routine control purposes— 26 стр.
Water quality; calibration and evaluation of analytical methods and estimation of performance characteristics; part 1: statistical evaluation of the linear calibration function— 11 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.
Domestic appliances used for drinking water treatment not connected to water supply. Jug water filter systems. Safety and performance requirements, labeling and information to be supplied— 38 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.
