多元合金的无标样X光能谱定量成分分析

本文将文献1]和2]的二元合金直接无标样法加以推广,应用于不含超轻元素的多元合金(包括七元、八元钢样,其中有两至三种元素的含量在0.25—1.0％之间)。与Russ等的间接无标样法程序相比较,总的说来准确度有所提高,分析速度也更快,在速度约为每秒13万次的计算机上(内存约需12K)计算八元合金的成分,仅需约10sec的时间。将多元合金的计算方法用到NaCl等二元合金,结果较前有所改善。 关键词：

NO-STANDARDS QUANTITATIVE EDS ANALYSIS OF MULTICOMPONENT ALLOYS

A direct no-standards quantitative analysis method of binary alloy is developed and applied to multicomponent alloys including 7-components and 8-components steel samples in which the contents of some components are about 0.25-1.0%. As compared with the indirect no-standards method (Buss et al.), the accuracy of the present method is generally better and the analytical time shorter. It only needs about 10 seconds in calculating the constituents of a 8-components alloy from their characteristic X-ray intensities using a computer with a speed about 130,000 cps. The analytical results of binary alloys, especially NaCl, using this modified method are better than before.