YS/T 630-2016 Chemical analysis method of alumina Determination of impurity element content Inductively coupled plasma atomic emission spectrometry (English Version)
2016YS/T 630-2016 Chemical analysis method of alumina Determination of impurity element content Inductively coupled plasma atomic emission spectrometry
2007YS/T 630-2007 Chemical analysis methods of alumina.Determination of impurities in alumina.Inductively coupled plasma atomic emission spectrometric method