Methods for chemical analysis of zinc concentrate roasting—Part 6:Determination of acid-soluble iron content—Flame atomic absorption spectrometry and Na2EDTA titration method
Methods for chemical analysis of copper,lead,zinc original and tailing ores—Part 1:Determination of gold content—Fire assay-flame atomic absorption spectrometric
Methods for chemical analysis of zinc oxide produced by direct process―Part 7:Determinantion of ferric oxide content―Flame atomic absorption spectrometry method