| Abstract: | Bismuth concentrations as low as 10 ng g-1 in 100-mg samples of geological materials can be determined by atomic absorption spectrometry with electrothermal atomization. After HF-HClO4 decomposition of the sample, bismuth is extracted as the iodide into methyl isobutyl ketone and is then stripped with ethylenediaminetetraacetic acid into the aqueous phase. Aliquots of this solution are pipetted into the graphite furnace and dried, charred, and atomized in an automated sequence. Atomic absorbance at the Bi 223.1-nm line provides a measure of the amount of bismuth present. Results are presented for 14 U.S. Geological Survey standard rocks. ?? 1979. |
| Genre: | Article |
| ProdID: | 70012539 |
| Citation Author: | Kane, J. S. |
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| Citation End Page: | 331 |
| 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: | Determination of nanogram amounts of bismuth in rocks by atomic absorption spectrometry with electrothermal atomization; 1979; Article; Journal; Analytica Chimica Acta; Kane, J. S. |
| Citation Start Page: | 325 |
| Citation Volume: | 106 |
| Citation Year: | 1979 |
| Type: | citation/reference |
| Text: | Determination of nanogram amounts of bismuth in rocks by atomic absorption spectrometry with electrothermal atomization; 1979; Article; Journal; Analytica Chimica Acta; Kane, J. S. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg |
| Date Other: | Mon, 1 Jan 1979 00:00 -0600 |
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