GB/T 6150.13-2008 Methods for chemical analysis of tungsten concentrates.Determination of arsenic content.Hydride reduction atomic absorption spectrometry and the silver diethyldithiocarbamate(DDTC-Ag) photometry (English Version)
WARNING: Personnel using this section should have practical experience in formal laboratory work. This section does not address all possible security issues. It is the user's responsibility to take appropriate safety and health measures and ensure compliance with the conditions stipulated in the relevant national laws and regulations. This method specifies the method for the determination of arsenic content in tungsten concentrate. This method is suitable for the determination of arsenic content in tungsten concentrate. Method 1 Measuring range (mass fraction): 0.005% to 0.50%. Method 2 Measuring range (mass fraction): 0.010% to 0.50%.
GB/T 6150.13-2008 history
2022GB/T 6150.13-2022 Methods for chemical analysis of tungsten concentrates—Part 13:Determination of arsenic content—Atomic fluorescence spectrometry and the silver diethyldithiocarbamate(DDTC-Ag)spectrophotometry
2008GB/T 6150.11-2008 Methods for chemical analysis of tungsten concentrates.Determination of zinc content.Flame atomic absorption spectrometric method
1985GB/T 6150.13-1985 Methods for chemical analysis of tungsten concentrates--The ammonium hydroxide-ammonium chloride supporting electrolyte polarographic method for the determination of zinc content
GB/T 6150.13-2008 Methods for chemical analysis of tungsten concentrates.Determination of arsenic content.Hydride reduction atomic absorption spectrometry and the silver diethyldithiocarbamate(DDTC-Ag) photometry has been changed from GB/T 6150.15-1985 Methods for chemical analysis of tungsten concentrates--The silver diethyldithiocarbamate photometric method for the determination of arsenic content.