ISO 9647-1989 钢和铁 钒含量的测定 火焰原子吸收光谱法

标准号：ISO 9647-1989
中文标准名称：钢和铁 钒含量的测定 火焰原子吸收光谱法
英文标准名称：Steel and iron; determination of vanadium content; flame atomic absorption spectrometric method
标准类型：H11
发布日期：1999/12/31 12:00:00
实施日期：1989/7/15 12:00:00
中国标准分类号：H11
国际标准分类号：77.080.20
适用范围：The method is applicable to vandadium contents between 0,005 % (m/m) and 1,0 % (m/m), provided that the tungsten content in the test portion is not higher than 10 mg and/or the titanium content is not higher than 5 mg. Specifies principle, reagents, apparatus, sampling, procedure, expression of results and test report. The annexes give additional information on the international co-operative tests, a graphical representation of precision data and procedures for the determination of instrumental criteria.