微波消解—石墨炉原子吸收光谱法测定牛奶中铅的含量

Abstract

Abstract: A microwave digestion method was used in treatment of milk samples to determine lead conten. This method has the advantages of simple operation, less error. The lead in treatment solution was detected by atomic absorption spectrometry. The linear range of standardcurve was 0 to 40 ng/mL and the correlation coefficient was 0.9998. The recovery rates in milk lead were 90% to 95%. This method is not only exact and less error but also improving the detection efficiency.

Key words: microwave digestion; atomic absorption spectrometry; milk; lead

CLC Number:

TS252.7

PANG Xue-liang, ZHENG Bai-qin, LI Ai-jun, DONG Li-xue, GE Huai-li, QI Biao, ZHANG Jian-min, ZHANG Xin. Microwave Digestion and Graphite Furnace Atomic Absorption Spectrometric Method for the Determination of Lead in Milk[J]. , 2013, 40(S1): 34-36.

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Microwave Digestion and Graphite Furnace Atomic Absorption Spectrometric Method for the Determination of Lead in Milk

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