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2011•Chinese Journal of Spectroscopy LaboratoryRequires access

Determination of Fe,Mn,Cu,Pb and Cd in Vegetables by Atomic Absorption Spectrometry

Tang Jie

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Abstract

The amounts of Fe,Mn and Cu in 3 kinds of vegetables were determined by flame atomic absorption spetrometry,and the contents of Pb and Cd in 3 kinds of vegetables were determined by graphite furnace atomic absorption spectrometry.Vegetables were dissolved with nitric acid and perchloric acid.The working conditions of the instrument were described.Contents of metals in chives,celery and cabbage were obtained 20.01,4.57,5.60μg.g-1 for Fe,1.445,1.141,1.204μg.g-1 for Mn,1.031,0.566,0.328μg.g-1 for Cu,0.106,0.085,0.076μg.g-1 for Pb and 0.012,0.032,0.018μg.g-1 for Cd,respectively.Recovery was between 94.0% and 106%.This method is accurate and easy.

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The amounts of Fe,Mn and Cu in 3 kinds of vegetables were determined by flame atomic absorption spetrometry,and the contents of Pb and Cd in 3 kinds of vegetables were determined by graphite furnace atomic absorption spectrometry.Vegetables were dissolved with nitric acid and perchloric acid.The working conditions of the instrument were described.Contents of metals in chives,celery and cabbage were obtained 20.01,4.57,5.60μg.g-1 for Fe,1.445,1.141,1.204μg.g-1 for Mn,1.031,0.566,0.328μg.g-1 for Cu,0.106,0.085,0.076μg.g-1 for Pb and 0.012,0.032,0.018μg.g-1 for Cd,respectively.Recovery was between 94.0% and 106%.This method is accurate and easy.

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Available abstract

The amounts of Fe,Mn and Cu in 3 kinds of vegetables were determined by flame atomic absorption spetrometry,and the contents of Pb and Cd in 3 kinds of vegetables were determined by graphite furnace atomic absorption spectrometry.Vegetables were dissolved with nitric acid and perchloric acid.The working conditions of the instrument were described.Contents of metals in chives,celery and cabbage were obtained 20.01,4.57,5.60μg.g-1 for Fe,1.445,1.141,1.204μg.g-1 for Mn,1.031,0.566,0.328μg.g-1 for Cu,0.106,0.085,0.076μg.g-1 for Pb and 0.012,0.032,0.018μg.g-1 for Cd,respectively.Recovery was between 94.0% and 106%.This method is accurate and easy.

Key concepts: Graphite furnace atomic absorption, Chemistry, Atomic absorption spectroscopy, Nitric acid, Perchloric acid, Mass spectrometry, Manganese, Analytical Chemistry (journal)

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