Determination of Sulfate Groups in Complex Mixtures by Infrared Spectroscopy |
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| Authors: | O. A. Zalkind D. V. Makarov V. N. Makarov |
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| Affiliation: | (1) Tananaev Institute of Chemistry and Technology of Rare-Earth Elements and Mineral Raw Materials of the Kola Scientific Center, Russian Academy of Sciences, ul. Fersmana 26a, Apatity, 184209, Russia |
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| Abstract: | The possibility of the quantitative determination of sulfates in mixtures containing copper and nickel carbonates and sulfides was investigated. It was found that, for 0.1–50 wt % of sulfate (gypsum), the ratio of intensities of the absorption bands in the IR spectrum of the mixture in the range 700–600 cm–1 is a linear function of its concentration. This dependence can be used for the determination of trace sulfates. |
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