分光光度法测定钢铁中砷含量国际标准的制定

The development of the international standard for determination of arsenic content in iron and steel by spectophotometry

介绍了制定分光光度法测定砷含量国际标准的立项、草案的确立。根据ISO5 72 5 -1,ISO5 72 5 -2 ,ISO5 72 5 -3 ,对利用草案进行国际共同试验的结果进行统计分析 。

It is introduced how the new work item proposal and the working draft for determination of arsenic content with spectrophotometric method is confirmed The results obtained with the method are treated statistically in accordance with ISO 5725,part1,2,3 It indicates that the measurement method is credible