标准摘要
[中文适用范围]： 该方法适用于钨含量在70%至90%（m/m）之间的钨铁。 规定了原理、试剂、仪器、样品、程序、结果表述和试验报告。 它还在附件中规定了测定干扰测定的钼的光谱方法。 [外文原描述]： The method is applicable to ferrotungsten having tungsten contents between 70 and 90 % (m/m). Specifies principle, reagents, apparatus, sample, procedure, expression of results and test report. It also specifies, in the annex, a spectrometric method for the determination of molybdenum which interferes with the determination.
英文名称Ferrotungsten — Determination of tungsten content — Cinchonine gravimetric method