GB/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 (English Version)
This document specifies the method for the determination of arsenic content in tungsten concentrates. Including atomic fluorescence spectrometry (method 1) and DDTC-Ag spectrophotometry (method 2). This document is applicable to the determination of arsenic content in tungsten concentrate. Method 1 Determination range (mass fraction): 0.0010%~0.20%; Method 2 measurement
GB/T 6150.13-2022 Referenced Document
GB/T 6682 Water for analytical laboratory use.Specification and test methods
GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values
GB/T 6150.13-2022 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