YS/T 445.12-2019 Silver concentrate chemical analysis method - Part 12: Determination of chromium content - Diphenylcarbazide spectrophotometric method

YS/T 445.1-2019 Silver concentrate chemical analysis method - Part 1: Determination of gold and silver content by fire assay method YS/T 445.2-2019 YS/T 445.2-2019 Silver concentrate chemical analysis methods - Part 2: Determination of copper content - Flame atomic absorption spectrometry and iodometric method YS/T 445.3-2019 Silver concentrate chemical analysis methods - Part 3: Determination of arsenic content - Mercury-generating atomic fluorescence spectrometry and potassium bromate titration method YS/T 445.4-2019 YS/T 445.4-2019 Silver concentrate chemical analysis methods - Part 4: Determination of Al2O3 content - Spectrophotometric method with Cr-azure S and titrimetric method with Na2EDTA YS/T 445.5-2019 Silver concentrate chemical analysis method - Part 5: Determination of sulfur content - Barium sulfate weight method and combustion-acid-base titration method YS/T 445.6-2019 Silver concentrate chemical analysis method - Part 6: Determination of magnesium oxide content by flame atomic absorption spectrometry YS/T 445.7-2019 Silver concentrate chemical analysis method - Part 7: Determination of lead content - Titrimetric method with Na2EDTA YS/T 445.8-2019 Silver concentrate chemical analysis method - Part 8: Determination of zinc content by Na2EDTA titration method YS/T 445.9-2019 Silver concentrate chemical analysis method - Part 9: Determination of lead, zinc and cadmium content - Flame atomic absorption spectrometry YS/T 445.10-2019 Silver concentrate chemical analysis method - Part 10: Determination of antimony content - Inductively coupled plasma atomic emission spectroscopy and flame atomic absorption spectroscopy YS/T 445.11-2019 Silver concentrate chemical analysis method Part 11: Determination of bismuth content - hydrogen generation-atomic fluorescence spectrometry, flame atomic absorption spectrometry and Na2EDTA titration method YS/T 445.13-2019 Silver concentrate chemical analysis method - Part 13: Determination of mercury content by atomic fluorescence spectrometry YS/T 445.14-2019 Silver concentrate chemical analysis method - Part 14: Determination of thallium content - Inductively coupled plasma mass spectrometry and inductively coupled plasma atomic emission spectroscopy YS/T 445.15-2019 Silver concentrate chemical analysis method - Part 15: Determination of lead, zinc, copper, arsenic, antimony, bismuth and cadmium content - Inductively coupled plasma atomic emission spectroscopy