YS/T 575.7-2006 Methods of chemical analysis of bauxite ore - Determination of calcium oxide content by flame atomic absorption spectrometry (English Version)
2007YS/T 575.7-2007 Methods for chemical analysis of bauxite.Part 7:Determination of calcium oxide content.Flame atomic absorption spectrophotometric method
2006YS/T 575.7-2006 Methods of chemical analysis of bauxite ore - Determination of calcium oxide content by flame atomic absorption spectrometry