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To Detect Cd and Pb in Edible Mushrooms with Furnace Atomic Absorption Spectrometry

Mei Lü

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Abstract

To use Zeeman effect background correction,maximum power heating and peak area integration,to use Pd and ascorbic acid as matrix modified,to detect Cd and Pb in edible mushrooms with stabilized temperature platform furnace(STPF) atomic absorption spectrometry(AAS).The detection limit of Cd was 5.0×10~(-13)g,Pb was 4.0×10~(-12) g,the relative standard deviation was between 2.8% and 7.1%,the sample recovery,Cd was 92.0%～104%,Pb was 89.3%～95.0%.

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What this paper is about

To use Zeeman effect background correction,maximum power heating and peak area integration,to use Pd and ascorbic acid as matrix modified,to detect Cd and Pb in edible mushrooms with stabilized temperature platform furnace(STPF) atomic absorption spectrometry(AAS).The detection limit of Cd was 5.0×10~(-13)g,Pb was 4.0×10~(-12) g,the relative standard deviation was between 2.8% and 7.1%,the sample recovery,Cd was 92.0%～104%,Pb was 89.3%～95.0%.

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Available abstract

To use Zeeman effect background correction,maximum power heating and peak area integration,to use Pd and ascorbic acid as matrix modified,to detect Cd and Pb in edible mushrooms with stabilized temperature platform furnace(STPF) atomic absorption spectrometry(AAS).The detection limit of Cd was 5.0×10~(-13)g,Pb was 4.0×10~(-12) g,the relative standard deviation was between 2.8% and 7.1%,the sample recovery,Cd was 92.0%～104%,Pb was 89.3%～95.0%.

Key concepts: Atomic absorption spectroscopy, Detection limit, Chemistry, Ascorbic acid, Relative standard deviation, Matrix (chemical analysis), Mass spectrometry, Analytical Chemistry (journal)

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