Determination of Trace Amount Chromium in Eggs with Microwave Process System by Graphite Furnace Atomic Absorption Spectrometry

Abstract

Abstract: In order to determine Chromium in foods conventional solution method was cineration or oxidation in H2SO4－H2O2.Cineration cost long time and much power while oxidation needed a lot of agents.These methods heavy Produce acid fog.The environment was pollutd.and somelipid could nof be digested thorougly.In this paper weredig ested and treated eggs with microwave,and the test results were compared.The results showed that this method of processing eggs with microwave was rapid,and convenient.The determination limit of Cr was 9.7×10－11g.ml－1，the relative standard deviation(RSD)(n=10) was 2.3％and the recovery rate was 96.0％－101.0％.

Key words: , Microwave process system Graphite furnace atomic absorption Chromium；

HAN Hua-Yun, Du-Bin, Guo-Jin-Fu, HAN Xiu-Li. Determination of Trace Amount Chromium in Eggs with Microwave Process System by Graphite Furnace Atomic Absorption Spectrometry[J]. FOOD SCIENCE, 2001, 22(8): 72-74.

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Determination of Trace Amount Chromium in Eggs with Microwave Process System by Graphite Furnace Atomic Absorption Spectrometry

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