Hua Shao, Su Liu, Qian Yong-zhong
Abstract
The uncertainty of measurement for dimethoate content in a sample by GC-MS was eveluated.The mathematical model of measurement was set up.The different parts of uncertainty wese analyzed,and the combined standard uncertainty and the expanded uncertainty of measurement results were calculated.
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The uncertainty of measurement for dimethoate content in a sample by GC-MS was eveluated.The mathematical model of measurement was set up.The different parts of uncertainty wese analyzed,and the combined standard uncertainty and the expanded uncertainty of measurement results were calculated.
Key concepts: Dimethoate, Chemistry, Standard uncertainty, Measurement uncertainty, Sample (material), Chromatography, Analytical Chemistry (journal), Statistics