Water quality. Determination of free chlorine and total chlorine. Part 2: Colorimetric method using N,N-diethyl-1,4-phenylendiamine for routine control purposes
NORM herausgegeben am 1.2.1995
Designation standards: ČSN ISO 7393-2
Classification mark: 757419
Catalog number: 16989
Note: UNGÜLTIG
Publication date standards: 1.2.1995
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: Czech technical standard
Kategorie: Technische Normen ČSN