Aluminium oxide primarily used for the production of aluminium — Determination of boron content — Curcumin spectrophotometric method
主要用于生产铝的氧化铝——硼含量的测定——姜黄素分光光度法

1973-12-01

Aluminium oxide primarily used for the production of aluminium — Determination of fluorine content — Alizarin complexone and lanthanum chloride spectrophotometric method
主要用于生产铝的氧化铝——氟含量的测定——茜素络合剂氯化镧分光光度法

1973-12-01

Aluminium oxide primarily used for the production of aluminium — Determination of phosphorus content — Reduced phosphomolybdate spectrophotometric method
主要用于生产铝的氧化铝——磷含量的测定——还原磷钼酸盐分光光度法

1973-12-01

Sodium fluoride primarily used for the production of aluminium — Determination of silica content — Reduced molybdosilicate spectrophotometric method
主要用于生产铝的氟化钠——二氧化硅含量的测定——还原硅钼酸盐分光光度法

1976-08-01