Method of sampling and sample preparation of fluorspar in bulk .

散装氟石取样、制样方法。

Fluorspar -- sampling and sample preparation .

荧石抽样和样品的制备。

Felspar ; leucite ; nepheline and nepheline syenite ; fluorspar .

长石；白榴石；霞石及霞石正长岩；萤石。

Determination of manganese content in fluorspar for export -- flame atomic absorption spectrometric method .

出口氟石粉中锰含量测定方法火焰原子吸收分光光度法。

Acid-grade and ceramic-grade fluorspar -- determination of barium sulfate content -- gravimetric method .

酸性及陶瓷性萤石－硫酸钡含量的测定--重量法。