Evaluation of uncertainty in the determination of cadmium in food by ICP-MS

doi:10.14088/j.cnki.issn0439-8114.2020.16.032

Abstract

Abstract: According to the JJF1059.1—2012 standard, the measurement model was established to determine and calculate the uncertainty components in the determination process, and analyze the uncertainty in the determination of cadmium in foods by ICP-MS. The results showed that the main influence factors of uncertainty were the calibration of the standard curve fitted by least square method, the reproducibility of measurement and the standard recovery. In order to improve the accuracy of the measurement results, the control of these aspects should be strengthened.

Key words: inductively coupled plasma mass spectrometry（ICP-MS）, uncertainty, cadmium

CLC Number:

TS207

ZHOU Ling, WAN Chun-yan. Evaluation of uncertainty in the determination of cadmium in food by ICP-MS[J]. HUBEI AGRICULTURAL SCIENCES, 2020, 59(16): 142-144.

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Evaluation of uncertainty in the determination of cadmium in food by ICP-MS

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