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SPECTROGRAPHIC ANALYSIS OF PREPARATIONS OF RARE EARTHS OF THE CERIUM GROUP FOR SAMARIUM

V.L. Kustas, G.V. Lazebnaya

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Abstract

A spectrographic method for determining samarium in compounds of Ce, La, Pr, and Nd is described. The sample, in the form of a 0.05 to 25% solution, was applied to the tip of a graphite electrode which was previously treated with a 3% solution of polystyrene in benzene. The mean relative error for the determination of samarium in cerium was 4.2%, in lanthanum 1.3%, in neodymium 2.5%, and in praseodymium 3.3%. (M.C.G.)

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A spectrographic method for determining samarium in compounds of Ce, La, Pr, and Nd is described. The sample, in the form of a 0.05 to 25% solution, was applied to the tip of a graphite electrode which was previously treated with a 3% solution of polystyrene in benzene. The mean relative error for the determination of samarium in cerium was 4.2%, in lanthanum 1.3%, in neodymium 2.5%, and in praseodymium 3.3%. (M.C.G.)

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Available abstract

A spectrographic method for determining samarium in compounds of Ce, La, Pr, and Nd is described. The sample, in the form of a 0.05 to 25% solution, was applied to the tip of a graphite electrode which was previously treated with a 3% solution of polystyrene in benzene. The mean relative error for the determination of samarium in cerium was 4.2%, in lanthanum 1.3%, in neodymium 2.5%, and in praseodymium 3.3%. (M.C.G.)

Key concepts: Samarium, Cerium, Praseodymium, Lanthanum, Neodymium, Graphite, Chemistry, Inorganic chemistry

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