ISO 5997-1984 铬矿石和铬精矿 硅含量的测定 分子吸收光谱法和重量法

标准号：ISO 5997-1984
中文标准名称：铬矿石和铬精矿 硅含量的测定 分子吸收光谱法和重量法
英文标准名称：Chromium ores and concentrates; Determination of silicon content; Molecular absorption spectrometric method and gravimetric method
标准类型：D33
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：D33
国际标准分类号：73.060.30
适用范围：The molecular absorption spectrometric method (A) is applicable to products having silicon contents from 0,05 to 0,5 % (m/m), the gravimetric method (B) is applicable to products having silicon contents from 0,5 to 15 % (m/m). ISO 5997 should be read in conjunction with ISO 4297. Specifies among other things principle, reagents, apparatus, procedure, spectrometric measurement (method A only) and expression of results.