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2008•Chinese Journal of Spectroscopy LaboratoryRequires access

Determination of Trace Selenium in Eggs by Microwave Digestion-Hydride Generation-Atomic Fluorescence Spectrometry

Wu Zhi

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Abstract

Trace selenium in eggs was treated by microwave digestion in HNO3-H2O2 solution,and determined by atomic fluorescence spectrometry.The analytical conditions were discussed especially the reducing agent and the masking agent.The linear range is 0—200μg/L.The correlative coefficient of the calibration curves is 0.9999.The detection limit is 0.112μg/L,and the recovery is 97.8%—105.0%.The method is quick-acquired and accurate.

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What this paper is about

Trace selenium in eggs was treated by microwave digestion in HNO3-H2O2 solution,and determined by atomic fluorescence spectrometry.The analytical conditions were discussed especially the reducing agent and the masking agent.The linear range is 0—200μg/L.The correlative coefficient of the calibration curves is 0.9999.The detection limit is 0.112μg/L,and the recovery is 97.8%—105.0%.The method is quick-acquired and accurate.

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Available abstract

Trace selenium in eggs was treated by microwave digestion in HNO3-H2O2 solution,and determined by atomic fluorescence spectrometry.The analytical conditions were discussed especially the reducing agent and the masking agent.The linear range is 0—200μg/L.The correlative coefficient of the calibration curves is 0.9999.The detection limit is 0.112μg/L,and the recovery is 97.8%—105.0%.The method is quick-acquired and accurate.

Key concepts: Microwave digestion, Selenium, Detection limit, Chemistry, Hydride, Calibration curve, Analytical Chemistry (journal), Linear range

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