めつき浴中成分の螢光 X 線分析における d_j 補正法の適用

概要

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The d_j technique, the matrix-effect correction technique, which has been published as the JIS method for iron and steel analysis by XRF (JIS G-1256), was applied to analysis of electrolytic Zn-Fe alloy-plating solutions. The feature of this technique is that an estimated binary calibration curve is prepared for Fe-i-component binary alloy system. The assumed calibration curve to analize i-component can be universally applied free from any matrix effect of sample. H_2O-Metal binary solution system, however, cannot be prepared due to insolubility of metal in water. Then, the analytical measurements have been made on a variety of H_2O-Metal-SO_4 ternary system solutions to obtain an assumed calibration curve for H_2O-Metal binary solution. d_j values for each component coexisting in the electrolytic plating solution could be calculated by multiple regression analysis. In an attempt to analize Zn concentration in H_2O-Zn-Fe-K-SO_4-NH_4 multi-component solutions, the present method showed good agreement with the chemical method within 0.45g/l(σ) over the range of 4∿30g/l Zn.
社団法人日本鉄鋼協会の論文
1987-06-01