EPMA定量分析における多孔質触媒に対する補正計算法(修正ZAF法)の提案

概要

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The EMPA quantitative analysis has been considered unapplicable to porous matter. This investigation emphasizes the possibility of chemical analysis for the porous catalysts of two series of silica-alumina and one series of silica-magnesia having micro pores less than 100Å. The density p in the mass absorption coefficient (μ/ρ) used in the conventional ZAF correction calculation is that of nonporous matter. In the modified ZAF method proposed here, the apparent density ρ_a, which is given by ρ(1-ε) with the void fraction ε, can be used for the porous sample analysed, while the value of ρ should be used only for the non-porous reference substance. This modified ZAF method appeared reasonable for three series of samples of porous catalysts with different void fractions.
社団法人日本材料学会の論文
1980-04-15