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ION EXCHANGE HYDRIDE GENERATION-ATOMIC FLUORESCENCE SPECTROMETRY DETERMINATION OF TRACE SELENIUM IN FOODS BY MICROWAVE DIGESTION

Libo Li

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Abstract

It is reported in this paper that the microwave digestion techniaue is used in the ion-exchange-separation hydride generation atomic fluorescence spectrometry determination of trace selenium in foods. The various factors affecting fluorescence intensity of selenium were examined in details.The optimum conditions for the determination is tested and discussed.The detection limit is 0.15 ng/mL.The recoveries of the method are 93.7 %～100.9 %,RSD 2.8 %.This method is accurate,quick-acquired and convenient.It is used in the determination of trace selenium in foods with the result is satisfactory.

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What this paper is about

It is reported in this paper that the microwave digestion techniaue is used in the ion-exchange-separation hydride generation atomic fluorescence spectrometry determination of trace selenium in foods. The various factors affecting fluorescence intensity of selenium were examined in details.The optimum conditions for the determination is tested and discussed.The detection limit is 0.15 ng/mL.The recoveries of the method are 93.7 %～100.9 %,RSD 2.8 %.This method is accurate,quick-acquired and convenient.It is used in the determination of trace selenium in foods with the result is satisfactory.

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Available abstract

It is reported in this paper that the microwave digestion techniaue is used in the ion-exchange-separation hydride generation atomic fluorescence spectrometry determination of trace selenium in foods. The various factors affecting fluorescence intensity of selenium were examined in details.The optimum conditions for the determination is tested and discussed.The detection limit is 0.15 ng/mL.The recoveries of the method are 93.7 %～100.9 %,RSD 2.8 %.This method is accurate,quick-acquired and convenient.It is used in the determination of trace selenium in foods with the result is satisfactory.

Key concepts: Selenium, Microwave digestion, Chemistry, Detection limit, Hydride, Chromatography, Mass spectrometry, Fluorescence

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ION EXCHANGE HYDRIDE GENERATION-ATOMIC FLUORESCENCE SPECTROMETRY DETERMINATION OF TRACE SELENIUM IN FOODS BY MICROWAVE DIGESTION — Research Paper | ScholarLens