Methods for chemical analysis of tungsten concentrates—Determination of arsenic content—Hydride reduction atomic absorption spectrometry and the silver diethyldithiocarbamate(DDTC-Ag) photometry
NORMA vydána dne 17.6.2008
Designation standards: GB/T 6150.13-2008
Note: NEPLATNÁ
Publication date standards: 17.6.2008
Country: Chinese technical standard
Kategorie: Technické normy GB