G13;H41 标准查询与下载

NF T20-225:1980 铝生产用伯氧化铝.火焰原子吸收分光光度法

Aluminium oxide primarily used for the production fo aluminium. Determination of manganese content. Flame atomic absorption method.

NF T20-212:1973 铝生产用伯氧化铝.锌的测定.原子吸收法

Aluminium oxide primarily used for the production of aluminium. Determination of zinc. Atomic absorption method.

NF T20-213:1973 铝生产用伯氧化铝.锌的测定.P.A.N.分光光度法

Aluminium oxide primarily used for the production of aluminium. Determination of zinc. P.A.N. photometric method.

NF T20-214:1973 铝生产用伯氧化铝.氟的测定.茜素氨羧络合试剂和氯化镧的分光光度法

Aluminium oxide primarily used for the production of aluminium. Determination of fluorine. Alizarin complexone and lanthanum chloride spectrophotometric method.

NF T20-215:1973 铝生产用伯氧化铝.磷的测定.还原磷钼酸盐分光光度法

Aluminium oxide primarily used for the production of aluminium. Determination of phosphorous. Reduced phosphomolybdate spectrophotometric method.

NF T20-216:1973 铝生产用伯氧化铝.硼的测定.姜黄分光光度法

Aluminium oxide primarily used for the production of aluminium. Determination of boron. Circumin spectrophotometric method.

NF T20-210:1973 铝生产用伯氧化铝.钙的测定.原子吸收法

Aluminium oxide primarily used for the production of aluminium. Determination of calcium. Atomic absorption method.

NF T20-221:1973 铝生产用伯氧化铝.休止角的测量

Aluminium oxide primarily used for the production of aluminium. Measurement of the angle of repose.

NF T20-222:1973 铝生产用伯氧化铝.未夯实密度的测量

Aluminium oxide primarily used for the production of aluminium. Measurement of untamped denisty.

NF T20-223:1973 铝生产用伯氧化铝.颗粒粒度分析.筛选法

Aluminium oxide primarily used for the production of aluminium. Particle size analysis. Sieving method.

NF T20-224:1973 铝生产用伯氧化铝.吸收指数的测定

Aluminium oxide primarily used for the production of aluminium. Determination of an adsorption index.

NF T20-220:1973 铝生产用伯氧化铝.绝对密度的测定.比重瓶法

Aluminium oxide primarily used for the production of aluminium. Determination of absolute density. Pyknometer method.