Determination of lithium in rocks by distillation
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Abstract
A method for the quantitative extraction and recovery of lithium from rocks is based on a high temperature volatilization procedure. The sample is sintered with a calcium carbonate-calcium chloride mixture at 1200° C. for 30 minutes in a platinum ignition tube, and the volatilization product is collected in a plug of Pyrex glass wool in a connecting Pyrex tube. The distillate, which consists of the alkali chlorides with a maximum of 5 to 20 mg. of calcium oxide and traces of a few other elements, is removed from the apparatus by dissolving in dilute hydrochloric acid and subjected to standard analytiaal procedures. The sinter residues contained less than 0.0005% lithium oxide. Lithium oxide was recovered from synthetic samples with an average error of 1.1%.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Determination of lithium in rocks by distillation |
| Series title | Analytical Chemistry |
| DOI | 10.1021/ac60025a031 |
| Volume | 21 |
| Issue | 1 |
| Year Published | 1949 |
| Language | English |
| Publisher | ACS Publications |
| Description | 3 p. |
| First page | 173 |
| Last page | 175 |
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