GB/T 23273.2-2009 Methods for chemical analysis of cobalt oxalate—Part 2:Determination of lead content—Electrothermal atomic absorption spectrometry

GB/T 23273.1-2009 Methods for chemical analysis of cobalt oxalate—Part 1:Determination of cobalt content—Potentiometric titration method GB/T 23273.3-2009 Methods for chemical analysis of cobalt oxatate—Part 3:Determination of arsenic content—Hydride generation-atomic fluorescence spectrometry GB/T 23273.4-2009 Methods for chemical analysis of cobalt oxalate—Part 4:Determination of silicon content—Molybdenum blue spectrophotometry GB/T 23273.5-2009 Methods for chemical analysis of cobalt oxalate—Part 5:Determination of calcium,magnesium and sodium content—Flame atomic absorption spectrometry GB/T 23273.6-2009 Methods for chemical analysis of cobalt oxalate—Part 6:Determination of chlorine ion content—Ion selective electrode method GB/T 23273.7-2009 Methods for chemical analysis of cobalt oxalate—Part 7:Determination of sulfate ion content—Combusition-iodimetry GB/T 23273.8-2009 Methods for chemical analysis of cobalt oxalate—Part 8:Determination of nicke,copper,iron,zinc,aluminium,manganese, lead,arsenic,calcium,magnesium and sodium content—Inductively coupled plasma atomic emission spectrometry