YS/T 990.4-2014 Methods for chemical analysis of copper matte—Part 4:Determination of bismuth content—Atomic absorption spectrometry

YS/T 990.1-2014 Methods for chemical analysis of copper matte—Part 1:Determination of copper content—Iodine titration method YS/T 990.2-2014 Methods for chemical analysis of copper matte—Part 2:Determination of gold and silver contents—Atomic absorption spectrmetry and fire assay method YS/T 990.3-2014 Methods for chemical analysis of copper matte—Part 3:Determination of sulfur content—Gravimetric method and combustion titration method YS/T 990.5-2014 Methods for chemical analysis of copper matte—Part 5:Determination of fluorine content—Ion-selective electrode method YS/T 990.6-2014 Methods for chemical analysis of copper matte—Part 6:Determination of lead content—Atomic absorption spectrometry and Na2EDTA titration method YS/T 990.7-2014 Methods for chemical analysis of copper matte—Part 7:Determination of cadmium content—Atomic absorption spectrometry YS/T 990.8-2014 Methods for chemical analysis of copper matte—Part 8：Determination of arsenic content—Hydride generation-atomic fluorescence spectrometry、silver diethyldithiocarbamate spectrophotometry and potassium bromate titrimetry YS/T 990.9-2014 Methods for chemical analysis of copper matte—Part 9:Determination of iron content—Potassium dichromate titration method YS/T 990.10-2014 Methods for chemical analysis of copper matte—Part 10:Determination of silicon dioxide content—Molybdenum blue spectrophotometry and potassium fluosilicate titrimetric method YS/T 990.11-2014 Methods for chemical analysis of copper matte—Part 11:Determination of nickel content—Atomic absorption spectrmetry YS/T 990.12-2014 Methods for chemical analysis of copper matte—Part 12:Determination of aluminum oxide content—Spectrophotometry of chromazurol S YS/T 990.13-2014 Methods for chemical analysis of copper matte—Part 13:Determination of magnesium oxide content—Atomic absorption spectrmetry YS/T 990.14-2014 Methods for chemical analysis of copper matte—Part 14:Determination of zinc content—Atomic absorption spectrmetry and Na2EDTA titration methods YS/T 990.15-2014 Methods for chemical analysis of copper matte—Part 15:Determination of antimony content—Atomic absorption spectrometry YS/T 990.16-2014 Methods for chemical analysis of copper matte—Part 16:Determination of mercury content—Cold atomic absorption spectrometry YS/T 990.18-2014 Methods for chemical analysis of copper matte—Part 18:Determination of lead,zinc,nickel,arsenic,bismuth,antimony,calcium,magnesium,cadmium and cobalt content—Inductively coupled plasma atomic emission spectrometry