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2014•Henan Journal of Preventive MedicineRequires access

Determination of Lead in Food by Microwave digestion Hydride Generation-atomic Fluorescence Spectrometry

Wang Wa

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Abstract

Objective To establish a methed for detection of lead in food by hydridegeneration-atomic fluorescence spectrometry. Methods The sample was detected by Microwave digestion Hydride Generation-atomic Fluorescence Spectrometry. Results r was 0.999 5 in the range of 0~50 μg/L,the detection limit was 0.010 μg/L,the relative standard deviation was 2.1 %~4.4 %,the recovery was 91.2 %~108.4 %. Conclusions The method is simple and rapid with good accuracy.

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What this paper is about

Objective To establish a methed for detection of lead in food by hydridegeneration-atomic fluorescence spectrometry. Methods The sample was detected by Microwave digestion Hydride Generation-atomic Fluorescence Spectrometry. Results r was 0.999 5 in the range of 0~50 μg/L,the detection limit was 0.010 μg/L,the relative standard deviation was 2.1 %~4.4 %,the recovery was 91.2 %~108.4 %. Conclusions The method is simple and rapid with good accuracy.

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Available abstract

Objective To establish a methed for detection of lead in food by hydridegeneration-atomic fluorescence spectrometry. Methods The sample was detected by Microwave digestion Hydride Generation-atomic Fluorescence Spectrometry. Results r was 0.999 5 in the range of 0~50 μg/L,the detection limit was 0.010 μg/L,the relative standard deviation was 2.1 %~4.4 %,the recovery was 91.2 %~108.4 %. Conclusions The method is simple and rapid with good accuracy.

Key concepts: Hydride, Detection limit, Microwave digestion, Chemistry, Mass spectrometry, Relative standard deviation, Fluorescence, Digestion (alchemy)

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