Russ's method is usually used in the no-standards quantitative analysis of X-ray EDS. Recently Wu et al. put forward a direct no-standards quantitative analysis method. The direct no-standards quantitative analysis method is also used in this article. However we utilized the advantages of Russ's method in which the physical model in normal ZAF correction is used. The method developed by us is easy for calculation. The analytical value of the NaCl, NaI, KCl, ZnS, AgI, GaAs are better than that of Russ's method. Especially the values of the samples which contain the elements of lower atomic number are more apparent.
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