Flameless atomic-absorption determination of gold in geological materials
Journal of Geochemical Exploration
By: A. L. Meier
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Abstract
Gold in geologic material is dissolved using a solution of hydrobromic acid and bromine, extracted with methyl isobutyl ketone, and determined using an atomic-absorption spectrophotometer equipped with a graphite furnace atomizer. A comparison of results obtained by this flameless atomic-absorption method on U.S. Geological Survey reference rocks and geochemical samples with reported values and with results obtained by flame atomic-absorption shows that reasonable accuracy is achieved with improved precision. The sensitivity, accuracy, and precision of the method allows acquisition of data on the distribution of gold at or below its crustal abundance.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Flameless atomic-absorption determination of gold in geological materials |
| Series title | Journal of Geochemical Exploration |
| DOI | 10.1016/0375-6742(80)90022-9 |
| Volume | 13 |
| Issue | 1 |
| Year Published | 1980 |
| Language | English |
| Publisher | Elsevier |
| Description | 9 p. |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Journal of Geochemical Exploration |
| First page | 77 |
| Last page | 85 |