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Automatic photometric titrations of calcium and magnesium in carbonate rocks

Analytical Chemistry

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Abstract

Rapid nonsubjective methods have been developed for the determination of calcium and magnesium in carbonate rocks. From a single solution of the sample, calcium is titrated directly, and magnesium is titrated after a rapid removal of R2O3 and precipitation of calcium as the tungstate. A concentrated and a dilute solution of disodium ethylenediamine tetraacetate are used as titrants. The concentrated solution is added almost to the end point, then the weak solution is added in an automatic titrator to determine the end point precisely.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Automatic photometric titrations of calcium and magnesium in carbonate rocks
Series title:
Analytical Chemistry
Volume
27
Issue:
5
Year Published:
1955
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Analytical Chemistry
First page:
725
Last page:
728
Number of Pages:
4