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

标准编号：ISO 5997:1984

中文名称：铬矿石和铬精矿.硅含量的测定.分子吸收光谱法和重量法

英文名称：Chromium ores and concentrates — Determination of silicon content — Molecular absorption spectrometric method and gravimetric method

发布日期：1984-11

标准范围

分子吸收光谱法（A）适用于硅含量为0.05%至0.5%（m/m）的产品，重量法（B）适用于硅含量为0.5%至15%（m/m）的产品。ISO 5997应与ISO 4297一起阅读。规定了原理、试剂、仪器、程序、光谱测量（仅方法A）和结果表达。

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.

标准预览图