Jun Li
Abstract
The method of this paper ueses the HSC to determine methanol in cosmetics.The sample is determined with hydrogen flame ionization detector.The minimum detective limit is 1.5mg/kg. Add the standards 20mg and 40mg to the sample,and the recovery is 91.9%-95.2%.Determining two samples six times,then the variable coefficients is 1.6%-2.8%.
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The method of this paper ueses the HSC to determine methanol in cosmetics.The sample is determined with hydrogen flame ionization detector.The minimum detective limit is 1.5mg/kg. Add the standards 20mg and 40mg to the sample,and the recovery is 91.9%-95.2%.Determining two samples six times,then the variable coefficients is 1.6%-2.8%.
Key concepts: Cosmetics, Methanol, Flame ionization detector, Chromatography, Gas chromatography, Detection limit, Chemistry, Sample (material)