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- W2376068939 abstract "An analytical method for determination of eight kinds of whitening ingredients [vitamin C magnesium phosphate,vitamin C,β-arbutin,kojic acid,hydroquinone,nicotinamide,potassium 4-methoxy salicylate and phenol]in cosmetics by using high performance liquid chromatography-diode array detector( HPLC-DAD)was established. The sample was extracted with methanol and separation was performed on column ODS-2HYPERSIL( 250 mm × 4. 6 mm,5 μm). Mobile phase for gradient elution was methanol-potassium dihydrogen phosphate solution with concentration of 0. 02 mol·L-1. The detection results show good linearity within the range of 2-500 mg·L-1with the correlation coefficients more than 0. 998. The detection limits are in the range of 0. 3-1. 0 ng. The recoveries are between 91. 1% and 105. 0% with the relative standard deviations( RSD) of 0.12% to 3.20%." @default.
- W2376068939 created "2016-06-24" @default.
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- W2376068939 date "2014-01-01" @default.
- W2376068939 modified "2023-09-28" @default.
- W2376068939 title "Determination of eight kinds of whitening ingredients in cosmetics by high performance liquid chromatography" @default.
- W2376068939 hasPublicationYear "2014" @default.
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