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The coupling of rapidly synergistic cloud point extraction with thermospray flame furnace atomic absorption spectrometry

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Abstract

Rapidly synergistic cloud point extraction (RS-CPE) was coupled with thermospray flame furnace atomic absorption spectrometry (TS-FF-AAS) to result in new CPE patterns and accelerated (1 min) protocols. It is demonstrated, for the case of copper (II) ion, that TS-FF-AAS improves the sampling efficiency and the sensitivity of FAAS determinations. Problems of nebulization associated with previous methods based on the coupling of FAAS and RS-CPE are overcome. TS-FF-AAS also improves sensitivity and gives a limit of detection for copper of 0.20 μg L-1, which is better by a factor of 32. Compared to direct FAAS, the factor is 114.

The coupling of RS-CPE with TS-FF-AAS for copper detection

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Acknowledgments

Xiaodong Wen gratefully acknowledges the financial support for this project from the National Natural Science Foundation of China [No. 21165001], the Doctoral Research Fund of Dali University (KYBS200907) and the Application Development Research Found of Dali University (KYYY201004).

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Authors and Affiliations

  1. College of Pharmacy and Chemistry, Dali University, Dali, Yunnan, 671000, China

    Xiaodong Wen, Qingwen Deng, Jie Guo & Xia Zhao

  2. Experimental Center for Medical Science Research, Kunming Medical University, Kunming, Yunnan, 650500, China

    Yu Zhao

  3. College of Public Health, Dali University, Dali, Yunnan, 671000, China

    Shoulian Ji

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  1. Xiaodong Wen
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  2. Yu Zhao
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  3. Qingwen Deng
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  4. Jie Guo
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  5. Xia Zhao
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  6. Shoulian Ji
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Correspondence to Xiaodong Wen.

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Wen, X., Zhao, Y., Deng, Q. et al. The coupling of rapidly synergistic cloud point extraction with thermospray flame furnace atomic absorption spectrometry. Microchim Acta 178, 139–146 (2012). https://doi.org/10.1007/s00604-012-0826-1

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  • DOI: https://doi.org/10.1007/s00604-012-0826-1

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