ISO 7693-1984 钨铁 钨含量的测定 喹啉(Cinchonine)重量法

标准号：ISO 7693-1984
中文标准名称：钨铁 钨含量的测定 喹啉(Cinchonine)重量法
英文标准名称：Ferrotungsten; Determination of tungsten content; Cinchonine gravimetric method
标准类型：H11
发布日期：1999/12/31 12:00:00
实施日期：1999/12/31 12:00:00
中国标准分类号：H11
国际标准分类号：77.100
适用范围：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.