2008XB/T 601.2-2008 Chemical analysis methods of lanthanum boride.Determination of Fe、Ca、Mg、Cr、Mn、Cu、 Co content.Inductively coupled plasma atomic emission spectrographic method
1993XB/T 601.8-1993 Lanthanum hexaboride chemical analysis method diphenylsemicarbazide spectrophotometric method for determination of chromium content
XB/T 601.8-1993 Lanthanum hexaboride chemical analysis method diphenylsemicarbazide spectrophotometric method for determination of chromium content was changed to XB/T 601.2-2008 Chemical analysis methods of lanthanum boride.Determination of Fe、Ca、Mg、Cr、Mn、Cu、 Co content.Inductively coupled plasma atomic emission spectrographic method.