Journal article : China Rice 2017 Vol.23 No.1 pp.54-56 ref.4
Abstract : The uncertainty of determination of chlorpyrifos residue in rice by gas chromatography was evaluated in this paper. By analyzing the various variable parameters among the procedures, the components of uncertainty were identified, the mathematical model was established, and every components of uncertainty was calculated, thereby, the combined uncertainty was finally obtained. The expanded uncertainty was 0.013 mg/kg (k=2) with 0.107 mg/kg of the content of chlorpyrifos residue in rice.
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