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- W2355498810 abstract "Objective To develop a high performance liquid chromatography(HPLC)method for the determination of active components,sodium ascorbic phosphate,β-arbutin,hydroquinone,niacinamide,brillian-280 and phenol,in the whitening and Freckle-removing cosmetics.Methods Whitening and freckle-removing active components were separated on a C8 column(250 mm×4.6 mm,5 μm)by using triethanolamine solution(11.15g triethanolamine dissolved in 1 L water,pH=7.7 adjusted with 1.75 ml H3PO4)+methanol=70+30 as the mobile phase at a flow rate of 1.2 ml/min,using diode array detector(DAD)with the detection wavelengh of 273 nm and the column temperature of 25℃.Results The coefficient of variation was less than 4.7% and the recovery rates were 87.3%-112.9%.Conclusion The method introduced in this paper is simple,rapid,accurate and is suitable for the analysis of various cosmetic samples." @default.
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- W2355498810 date "2007-01-01" @default.
- W2355498810 modified "2023-09-24" @default.
- W2355498810 title "Determination of Active Components in Whitening and Freckle-removing Cosmetics by High Performance Liquid Chromatography" @default.
- W2355498810 hasPublicationYear "2007" @default.
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