Thoron-tartaric acid systems for spectrophotometric determination of thorium
Analytical Chemistry
By: F. S. Grimaldi and Mary H. Fletcher
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Abstract
Thoron is commonly used for the spectrophotometric determination of thorium. An undesirable feature of its use is its high sensitivity to zirconium. This study describes the use of tartaric acid as a masking reagent for zirconium. Three tartaric acid-thoron systems, developed for the determination of thorium, differ with respect to the concentrations of thoron and tartaric acid. Mesotartaric acid, used in one of the systems, is most effective in masking zirconium. The behavior of rarer elements, usually associated with thorium ores, is determined in two systems, and a dilution method is described for the direct determination of thorium in monazite concentrates.
Suggested Citation
Grimaldi, F.S., Fletcher, M., 1956, Thoron-tartaric acid systems for spectrophotometric determination of thorium: Analytical Chemistry, v. 28, no. 5, p. 812-816, https://doi.org/10.1021/ac60113a011.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Thoron-tartaric acid systems for spectrophotometric determination of thorium |
| Series title | Analytical Chemistry |
| DOI | 10.1021/ac60113a011 |
| Volume | 28 |
| Issue | 5 |
| Publication Date | May 01, 2002 |
| Year Published | 1956 |
| Language | English |
| Publisher | ACS Publications |
| Description | 5 p. |
| First page | 812 |
| Last page | 816 |