Emission spectrographic determination of volatile trace elements in geologic materials by a carrier distillation technique
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Abstract
Trace levels of chalcophile elements that form volatile sulfide minerals are determined in stream sediments and in the nonmagnetic fraction of a heavy-mineral concentrate of stream sediments by a carrier distillation emission spectrographic method. Photographically recorded spectra of samples are visually compared with those of synthetic standards for the two sample types. Rock and soil samples may also be analyzed by comparison with the stream-sediment standards. A gallium oxide spectrochemical carrier/buffer enhances the early emission of the volatile elements.
Detection limits in parts per million attained are: Sb 5, As 20, Bi 0.1, Cd 1, Cu 1, Pb 2, Ag 0.1, Zn 2, and Sn 0.1. A comparison with other methods of analysis, total-burn emission and atomic absorption spectroscopy, shows good correlation for standard reference for materials and samples from a variety of geologic terranes.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Emission spectrographic determination of volatile trace elements in geologic materials by a carrier distillation technique |
| Series title | Journal of Geochemical Exploration |
| DOI | 10.1016/0375-6742(86)90084-1 |
| Volume | 25 |
| Issue | 3 |
| Year Published | 1986 |
| Language | English |
| Publisher | Elsevier |
| Description | 12 p. |
| First page | 367 |
| Last page | 378 |
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