| 光谱学与光谱分析 |
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| Determination of Trace Gold by Flow Injection On-Line Preconcentration Flame Atomic Absorption Spectrometry with Trioctylamine Levextrel Resin |
| YE Ming-de，LIN Mei-jin |
| Department of Chemistry and Material Science, Wenzhou Normal College, Wenzhou 325027, China |
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Abstract A new method for the determination of trace amount of gold by flow injection on-line preconcentration and flame atomic absorption spectrometry with trioctylamine levextrel resin was developed. The experimental condition of Au(Ⅲ) on the resin, such as the time of preconcentration, the flow rate, the elutropic time, the elutropic rate, the acidity of medium, the concentration and acidity of eluting agent was studied in this paper. The detection limit is 1.3 μg·L-1, The enhancement factor of 24 was achieved for a loading period of 90 seconds. The recoveries of Au were 98.0%-102.0%. The developed method has been applied to the determination of trace amount of gold in water samples with satisfactory results.
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Received: 2003-10-18
Accepted: 2004-02-29
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Corresponding Authors:
YE Ming-de
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| Cite this article: |
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YE Ming-de,LIN Mei-jin. Determination of Trace Gold by Flow Injection On-Line Preconcentration Flame Atomic Absorption Spectrometry with Trioctylamine Levextrel Resin [J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2004, 24(10): 1270-1272.
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http://www.gpxygpfx.com/EN/Y2004/V24/I10/1270 |
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