Uncertainty Evaluation for the Determination of Carbendazim in Rice by Liquid Chromatography-Tandem Mass Spectrometry
A methodology of uncertainty evaluation for the determination of carbendazim residues in rice by liquid chromatography-tandem mass spectrometry(LC-MS-MS)was proposed.According to the Evaluation and Expression of Uncertainty in Measurement(JJF 1059-1999),the mathematical model of uncertainty was established.The sources of uncertainty were analyzed and each component of uncertainty was quantified individually and then combined.The results showed that the curve fitting,preparation of standard solution and volumetric measurement were the main sources of uncertainty,and the expanded uncertainty was 0.002 2 mg/kg(k =2),and the residue of carbendazim in rice was 0.033 5 mg/kg.
liquid chromatography-tandem mass spectrometrycarbendazimuncertaintyrice
国家科技期刊平台
NSTL
万方数据
维普
