共 8 条
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Sulfamic acid in the separation of the rare earths
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Spectrophotometric determination of dysprosium, holmium, erbium, thulium, and ytterbium
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JOURNAL OF RESEARCH OF THE NATIONAL BUREAU OF STANDARDS,
1942, 28 (03)
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Spectrophotometric determination of praseodymium, neodymium, and samarium
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