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HG-ICP-AES Determination of Selenium in Blood Sample

Fei-yue Deng

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Abstract

Sample of blood was digested with mixed acid of HClO4-HNO3(1+4),and the content of Se in the solution obtained was determined by HG-ICP-AES with addition of HCl as pre-reductant.In a 6 mol·L-1 HCl medium,hydrides of Se was generated by reacting with 5 g·L-1 NaBH4 solution(dissolved in 20 g·L-1 NaOH solution).Value of detection limits(3s/k) found was 1.8 μg·L-1.The proposed method was used in the determination of Se in 2 blood samples,giving values of recovery in the range of 94.9%-107% with RSD(n=10) less than 3%.

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What this paper is about

Sample of blood was digested with mixed acid of HClO4-HNO3(1+4),and the content of Se in the solution obtained was determined by HG-ICP-AES with addition of HCl as pre-reductant.In a 6 mol·L-1 HCl medium,hydrides of Se was generated by reacting with 5 g·L-1 NaBH4 solution(dissolved in 20 g·L-1 NaOH solution).Value of detection limits(3s/k) found was 1.8 μg·L-1.The proposed method was used in the determination of Se in 2 blood samples,giving values of recovery in the range of 94.9%-107% with RSD(n=10) less than 3%.

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Available abstract

Sample of blood was digested with mixed acid of HClO4-HNO3(1+4),and the content of Se in the solution obtained was determined by HG-ICP-AES with addition of HCl as pre-reductant.In a 6 mol·L-1 HCl medium,hydrides of Se was generated by reacting with 5 g·L-1 NaBH4 solution(dissolved in 20 g·L-1 NaOH solution).Value of detection limits(3s/k) found was 1.8 μg·L-1.The proposed method was used in the determination of Se in 2 blood samples,giving values of recovery in the range of 94.9%-107% with RSD(n=10) less than 3%.

Key concepts: Selenium, Chemistry, Inductively coupled plasma atomic emission spectroscopy, Detection limit, Chromatography, Nuclear chemistry, Analytical Chemistry (journal), Inductively coupled plasma

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