Title: Uncertainty Evaluation of HPLC Determination of Melamine in Milk Powderchromatography
Abstract: The sources of uncertainty in high performance liquid chromatographic (HPLC) determination of melamine in milk powder were fully analyzed according to the calculation formula of melamine.Each uncertainty component was modeled.Uncertainty evaluation was conducted for fitting of standard curve of melamine and less measurement times by least square method and extreme deviation method,respectively.HPLC determination with uncertainty evaluation by the method gave the (2.00 ± 0.088) mg/kg melamine content in a randomly inspected commercial milk powder (weighed 2.00 mg).This method proves to be applicable to the uncertainty evaluation of HPLC determination of melamine in milk powder.
Publication Year: 2010
Publication Date: 2010-01-01
Language: en
Type: article
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