YS/T 1512.4-2021 Copper smelting dust chemical analysis methods - Part 4: Determination of bismuth content - Flame atomic absorption spectrometry and Na2EDTA titration method

YS/T 1512.1-2021 Copper smelting dust chemical analysis methods - Part 1: Determination of copper content - Flame atomic absorption spectroscopy and iodometric methods YS/T 1512.2-2021 Copper smelting dust chemical analysis methods - Part 2: Determination of lead content - Flame atomic absorption spectrometry and Na2EDTA titration method YS/T 1512.3-2021 Copper smelting dust chemical analysis methods - Part 3: Determination of zinc content - Flame atomic absorption spectroscopy and Na2EDTA titration method YS/T 1512.5-2021 Copper smelting dust chemical analysis method - Part 5: Determination of arsenic content - Ammonium iron sulfate titration method YS/T 1512.6-2021 Copper smelting dust chemical analysis methods - Part 6: Determination of indium content - Flame atomic absorption spectrometry YS/T 1512.7-2021 Copper smelting dust chemical analysis method - Part 7: Determination of cadmium content - Flame atomic absorption spectroscopy and titrimetric method YS/T 1512.8-2021 Copper smelting dust chemical analysis methods - Part 8: Determination of silver and gold content - Flame atomic absorption spectroscopy and fire assay method YS/T 1512.9-2021 Copper smelting dust chemical analysis method - Part 9: Determination of antimony content - Flame atomic absorption spectroscopy