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
Methods for chemical analysis of fire smelting nickel substrate material—Part 10: Determination of nickel,chromium,manganese,cobalt,copper and phosphorus contents—Inductively coupled plasma atomic emission spectrometric method