Water quality — Determination of free chlorine and total chlorine — Part 2: Colorimetric method using N,N-dialkyl-1,4-phenylenediamine, for routine control purposes
NORMA vydaná dňa 13.12.2017
Designation standards: ISO 7393-2:2017-ed.2.0
Publication date standards: 13.12.2017
The number of pages: 19
Approximate weight : 57 g (0.13 lbs)
Country: International technical standard
Kategória: Technické normy ISO