| Abstract: | The sample is digested with a solution of hydrobromic acid and bromine and the excess of bromine is expelled. After dilution of the solution to approximately 3 M in hydrobromic acid, ascorbic acid is added to reduce iron(III) before extraction of tellurium into methyl isobutyl ketone (MIBK). An oxidizing air-acetylene flame is used to determine tellurium in the 0.1-20 ppm range. For samples containing 4-200 ppb of tellurium, a carbon-rod atomizer is used after the MIBK extract has been washed with 0.5 M hydrobromic acid to remove the residual iron. The flame procedure is useful for rapid preliminary monitoring, and the flameless procedure can determine tellurium at very low concentrations. ?? 1978. |
| Genre: | Article |
| ProdID: | 70012633 |
| Citation Author: | Chao, T. T.; Sanzolone, R. F.; Hubert, A. E. |
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| Citation End Page: | 257 |
| Citation Issue: | 2 |
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| Citation Language: | English |
| Citation Larger Work Title: | Analytica Chimica Acta |
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| Citation Number Of Pages: | 7 |
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| Citation Search Results Text: | Flame and flameless atomic-absorption determination of tellurium in geological materials; 1978; Article; Journal; Analytica Chimica Acta; Chao, T. T.; Sanzolone, R. F.; Hubert, A. E. |
| Citation Start Page: | 251 |
| Citation Volume: | 96 |
| Citation Year: | 1978 |
| Type: | citation/reference |
| Text: | Flame and flameless atomic-absorption determination of tellurium in geological materials; 1978; Article; Journal; Analytica Chimica Acta; Chao, T. T.; Sanzolone, R. F.; Hubert, A. E. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg |
| Date Other: | Sun, 1 Jan 1978 00:00 -0600 |
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