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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