2008XB/T 601.5-2008 Chemical analysis methods of lanthanum boride.Determination of acid dissolving silicon content.Silicon molybdenum blue spectral luminosity method
1993XB/T 601.6-1993 Lanthanum hexaboride chemical analysis method silicon molybdenum blue spectrophotometric determination of acid soluble silicon
XB/T 601.6-1993 Lanthanum hexaboride chemical analysis method silicon molybdenum blue spectrophotometric determination of acid soluble silicon was changed to XB/T 601.5-2008 Chemical analysis methods of lanthanum boride.Determination of acid dissolving silicon content.Silicon molybdenum blue spectral luminosity method.