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Determination of calcium in lithium salts |
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| Authors: | Rodney L. Olsen and Harvey Diehl Peter F. Collins and R. B. Ellestad |
| Affiliation: | Department of Chemistry, Iowa State University, Ames, Iowa, U.S.A. Lithium Corporation of America, Bessemer City, North Carolina, U.S.A. |
| Abstract: | Two procedures are described for the determination of traces of calcium in lithium salts. In both procedures the calcium is titrated with very dilute EDTA and the end-point is determined fluorometrically with Calcein as indicator. This titration is carried out in the presence of the lithium salt in one procedure; in the other, a preliminary separation of the calcium is made on the chelating exchange resin, Dowex A-1. |
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