GB/T 6150.13-2008
钨精矿化学分析方法.砷量的测定.氢化物原子吸收光谱法和DDTC-Ag分光光度法
Methods for chemical analysis of tungsten concentrates.Determination of arsenic content.Hydride reduction atomic absorption spectrometry and the silver diethyldithiocarbamate(DDTC-Ag) photometry