Workplace air—Determination of chromium trioxide, chromates and dichromates—Diphenylcarbazide spectrophotometric method
NORM herausgegeben am 23.1.1996
Designation standards: GB/T 16019-1995
Note: UNGÜLTIG
Publication date standards: 23.1.1996
Country: Chinese technical standard
Kategorie: Technische Normen GB