YS/T 820.4-2012 Methods for chemical analysis of laterite nickel ores—Part 4:Determination of phosphorus content—Phosphorus molybdenum blue spectrophotometry

YS/T 820.1-2012 Methods for chemical analysis of laterite nickel ores—Part 1:Determination of nikel content—Flame atomic absorption spectrometry YS/T 820.2-2012 Methods for chemical analysis of laterite nickel ores—Part 2:Determination of nickel content—Dimetylglyoxime spectrophotometry YS/T 820.3-2012 Methods for chemical analysis of laterite nickel ores—Part 3:Determination of total iron content—Potassium dichromate titration YS/T 820.5-2012 Methods for chemical analysis of laterite nickel ores—Part 5:Determination of cobalt content—Flame atomic absorption spectrometry YS/T 820.6-2012 Methods for chemical analysis of laterite nickel ores—Part 6:Determination of copper content—Flame atomic absorption spectrometry YS/T 820.7-2012 Methods for chemical analysis of laterite nickel ores—Part 7:Determination of calcium and magnesium content—Flame atomic absorption spectrometry YS/T 820.8-2012 Methods for chemical analysis of laterite nickel ores—Part 8:Determination of silica content—Potassium silicafluoride titrimetric method YS/T 820.9-2012 Methods for chemical analysis of lateritic nickel ore—Part 9:Determination of scandium and cadmium contents—Inductively coupled plasma mass spectrometry YS/T 820.10-2012 Methods for chemical analysis of laterite nickel ores—Part 10:Determination of calcium,cobalt,copper,magnesium,manganese,nickel,phosphate and zinc content—Inductively coupled plasma atomic emission spectrometry YS/T 820.11-2012 Methods for chemical analysis of laterite nickel ores—Part 11:Determination of fluorine and chlorine contents—Ion chromatography YS/T 820.12-2012 Methods for chemical analysis of laterite nickel ores—Part 12:Determination of manganese content—Flame atomic absorption spectrometry YS/T 820.13-2012 Methods for chemical analysis of laterite nickel ores—Part 13:Determination of lead content—Flame atomic absorption spectrometry YS/T 820.14-2012 Methods for chemical analysis of laterite nickel ores—Part 14:Determination of zinc content—Flame atomic absorption spectrometry YS/T 820.15-2012 Methods for chemical analysis of laterite nickel ores—Part 15:Determination of cadmium content—Flame atomic absorption spectrometry YS/T 820.16-2012 Methods for chemical analysis of laterite nickel ores—Part 16:Determination of carbon and sulfur content—High frequency combustion with infrared absorption spectrometry YS/T 820.17-2012 Methods for chemical analysis of laterite nickel ores—Part 17:Determination of arsenic,antimony and bismuth contents—Hydride generation-atomic fluorescence spectrometry YS/T 820.18-2012 Methods for chemical analysis of laterite nickel ores—Part 18:Determination of mercury content—Cold atomic absorption spectrometry YS/T 820.19-2012 Methods for chemical analysis of laterite nickel ores—Part 19:Determination of aluminum,chromium,iron,magnesium,manganese,nickel and silicon contents—Energy-dispersive X-ray fluorescence spectrometry YS/T 820.20-2012 Methods for chemical analysis of laterite nickel ores—Part 20:Determination of aluminum content—EDTA titration YS/T 820.22-2012 Methods for chemical analysis of laterite nickel ores—Part 22:Determination of magnesium content—EDTA titration YS/T 820.23-2012 Methods for chemical analysis of laterite nickel ores—Part 23:Determination of cobalt,iron,nickel,phosphorus,aluminium oxide,calcium oxide,chromium oxide,magnesium oxide,manganese oxide,silicon dioxide and titanium dioxide content—Wavelength dispersive X-ray fluorescence spectrometry YS/T 820.24-2012 Methods for chemical analysis of laterite nickel ores—Part 24:Determination hygroscopic moisture content—Gravimetric method YS/T 820.25-2012 Methods for chemical analysis of laterite nicekel ores—Part 25:Determination of combined water content—Gravimetric method YS/T 820.26-2012 Methods for chemical analysis of laterite nickel ores—Part 26:Determination of loss on ignition—Gravimetric method