YS/T 575.11-2006 Methods of chemical analysis of bauxite ore - Determination of chromium trioxide content by flame atomic absorption spectrometry (English Version)
2007YS/T 575.11-2007 Methods for chemical analysis of bauxite.Part11:Determination of chromium oxide content.Flame atomic absorption spectrophotometric method
2006YS/T 575.11-2006 Methods of chemical analysis of bauxite ore - Determination of chromium trioxide content by flame atomic absorption spectrometry