| 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. |
| Genre: | Article |
| ProdID: | 70010671 |
| Citation Author: | Shapiro, L.; Brannock, W. W. |
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| Citation End Page: | 728 |
| Citation Issue: | 5 |
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| Citation Language: | English |
| Citation Larger Work Title: | Analytical Chemistry |
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| Citation Number Of Pages: | 4 |
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| Citation Search Results Text: | Automatic photometric titrations of calcium and magnesium in carbonate rocks; 1955; Article; Journal; Analytical Chemistry; Shapiro, L.; Brannock, W. W. |
| Citation Start Page: | 725 |
| Citation Volume: | 27 |
| Citation Year: | 1955 |
| Type: | citation/reference |
| Text: | Automatic photometric titrations of calcium and magnesium in carbonate rocks; 1955; Article; Journal; Analytical Chemistry; Shapiro, L.; Brannock, W. W. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg |
| Date Other: | Sat, 1 Jan 1955 00:00 -0600 |
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