Standards GB - Chinese national standards - Page 614

Chemical analysis methods of rare earth chloride and light rare earth carbonate - Part 20: Determination of nickel oxide, manganese oxide, lead oxide, aluminum oxide, zinc oxide, thorium oxide content - Inductively coupled plasma mass spectrometry

Standard published on 30.10.2009

Chemical analysis methods of rare earth chloride and light rare earth carbonate - Part 21: Determination of iron oxide content - 1,10-phenanthroline spectrophotometry

Standard published on 30.10.2009

Chemical analysis methods of rare earth chloride and light rare earth carbonate - Part 22: Determination of zinc oxide content - Flame atomic absorption spectrometry

Standard published on 30.10.2009

Chemical analysis methods of rare earth chloride and light rare earth carbonate - Part 23: Determination of acid insoluble substance in light rare earth carbonate - Gravimetry

Standard published on 30.10.2009

Chemical analysis methods of rare earth chloride and light rare earth carbonate - Part 3: Determination of fifteen REO relative contents - Inductively coupled plasma atomic emission spectrometry

Standard published on 30.10.2009

Chemical analysis methods of rare earth chloride and light rare earth carbonate - Part 4: Determination of thorium oxide content - Arsenazo spectrophotometry

Standard published on 30.10.2009

Chemical analysis methods of rare earth chloride and light rare earth carbonate - Part 5: Determination of barium oxide content - Inductively coupled plasma atomic emission spectrometry

Standard published on 30.10.2009

Chemical analysis methods of rare earth chloride and light rare earth carbonate - Part 6: Determination of calcium oxide content - Flame atomic absorption spectrometry

Standard published on 30.10.2009

Chemical analysis methods of rare earth chloride and light rare earth carbonate - Part 7: Determination of magnesium oxide content - Flame atomic absorption spectrometry

Standard published on 30.10.2009

Chemical analysis methods of rare earth chloride and light rare earth carbonate - Part 8: Determination of sodium oxide content - Flame atomic absorption spectrometry

Standard published on 30.10.2009