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2010•Hubei nongye kexueRequires access

Determination of Trace Cobalt in Grain Food by Graphite Furnace Atomic Absorption Spectrometry

Min Zhang

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Abstract

After atomizing at lower temperature, the cobalt (Co) in grain was determined by graphite furnace atomic absorption spectrometry.The results showed that the detection limit was 26.52 μg/L, the average Cocontent in specimen was 0.003 22% and the relative standard deviation (n=6) was 5.6%.It was a reasonable method to detect Co in grain due to its high sensitivity and environmentally friendly without high temperature and improvers.

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What this paper is about

After atomizing at lower temperature, the cobalt (Co) in grain was determined by graphite furnace atomic absorption spectrometry.The results showed that the detection limit was 26.52 μg/L, the average Cocontent in specimen was 0.003 22% and the relative standard deviation (n=6) was 5.6%.It was a reasonable method to detect Co in grain due to its high sensitivity and environmentally friendly without high temperature and improvers.

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Available abstract

After atomizing at lower temperature, the cobalt (Co) in grain was determined by graphite furnace atomic absorption spectrometry.The results showed that the detection limit was 26.52 μg/L, the average Cocontent in specimen was 0.003 22% and the relative standard deviation (n=6) was 5.6%.It was a reasonable method to detect Co in grain due to its high sensitivity and environmentally friendly without high temperature and improvers.

Key concepts: Graphite furnace atomic absorption, Cobalt, Detection limit, Graphite, Atomic absorption spectroscopy, Mass spectrometry, Relative standard deviation, Analytical Chemistry (journal)

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