
Analytical methods for boiler water and cooling water--Determination of quoaternary ammoniam salte--Trichloromethane extraction spectrophoto-metry
NORMA vydána dne 22.3.1989
Designation standards: GB/T 10538-1989
Note: NEPLATNÁ
Publication date standards: 22.3.1989
Country: Chinese technical standard
Kategorie: Technické normy GB