
Analytical methods for boiler water and cooling water--Determination of quoaternary ammoniam salte--Trichloromethane extraction spectrophoto-metry
NORM herausgegeben am 22.3.1989
Designation standards: GB/T 10538-1989
Note: UNGÜLTIG
Publication date standards: 22.3.1989
Country: Chinese technical standard
Kategorie: Technische Normen GB