Water quality. Determination of free chlorine and total chlorine. Colorimetric method using N,N-diethyl-1,4-phenylenediamine for routine control purposes.
NORMA vydaná dňa 15.5.2000
Designation standards: BS EN ISO 7393-2:2000
Note: NEPLATNÁ
Publication date standards: 15.5.2000
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: British technical standard
Kategória: Technické normy BS