Determination of Nine Elements in Chicken by ICP-AES with Microwave Digestion

doi:10.7506/spkx1002-6630-201224064

Abstract

Abstract: A method was established to determine calcium, ferrum, zinc, selenium, nickel, manganese, copper, lead and arsenic in chicken using microwave digestion followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES). The limit of detection of this method was 0.4–6.9 ng/mL, and the precision (RSD) for three replicate determinations ranged from 0.72% to 4.10%. Average recoveries of 9 elements in chicken reference material and commercial chicken varied from 80.0% and 107.1%. The effects of digestion agent type and dosage and programmed heating on results of determination were investigated. Significantly higher results of determination were obtained with microwave digestion when compared with dry ashing and wet digestion (P＜0.05).

Key words: microwave digestion, ICP-AES, trace elements

CLC Number:

TS201.21

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Determination of Nine Elements in Chicken by ICP-AES with Microwave Digestion

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