
Chemical analysis methods and determination of physical performanceof alumina--Determination of sulfate content--NN-dimethyl-P-phenylenediamine spectrophotometric method
NORMA vydaná dňa 5.2.2004
Designation standards: GB/T 6609.18-2004
Publication date standards: 5.2.2004
Country: Chinese technical standard
Kategória: Technické normy GB