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- W84168550 abstract "Chemical and chemicospectral analysis methods make it possible to determine rare-earth elements (REE) reliably in steels, but they are time-consuming and laborious. X-ray fluorescence methods are also characterized by the complicated procedure of preparing standard and production specimens for analysis. In this paper, the authors attempt to develop a spectrographic method of determining the REEs in the steel using standard equipment. The authors prepare synthetic standard specimens for determining Ce, Nd, La, Pr, and Y in steels of various grades by adding titrated solutions of the salts of the determined elements to the powder of the steel without REE with subsequent evaporation, drying, and mixing. The steels were ground by the mechanical method. On the basis of the resulting detection limits and analysis accuracy, the proposed method can be recommended for inspection of the technological process in melting steels and for preparation of standard specimens in the plant. The method is 5-7 times faster than the chemicospectral method." @default.
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- W84168550 date "1986-12-01" @default.
- W84168550 modified "2023-09-26" @default.
- W84168550 title "Reducing the detection limits of rare earth elements in steels" @default.
- W84168550 hasPublicationYear "1986" @default.
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