| 光谱学与光谱分析 |
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| GFAAS Determination of Trace Amount Cadmium in Shark Liver after Microwave Digestion |
| WENG Di |
| School of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310029, China |
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Abstract In the present work, a method was developed for the determination of cadmium in shark liver by means of graphite furnace atomic absorption spectrometry with microwave digestion, and a systematic study was carried out by selection of the most appropriate working conditions and optimization of the sample mass. The samples were digested by microwave with mixed acid of HF-HCIO4(1∶2). Trace amount cadmium was determined by graphite furnace atomic absorption spectrometry(GFAAS) with Pd(NO3)2 as a matrix modifier. If appropriate working conditions are chosen, the method finally proposed shows interesting features for the determination of the analyte in the samples such as: suitable precision values. To assure the analytical quality, porcine liver GBW 08551 was used as a standard reference material. The measured values were in a good agreement with the certified ones within the analytical error of ±10%. The method is simple and rapid with accurate results.
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Received: 2005-10-08
Accepted: 2006-01-06
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Corresponding Authors:
WENG Di
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| Cite this article: |
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WENG Di. GFAAS Determination of Trace Amount Cadmium in Shark Liver after Microwave Digestion [J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2006, 26(11): 2147-2149.
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| URL: |
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https://www.gpxygpfx.com/EN/Y2006/V26/I11/2147 |
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