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- W2380196895 abstract "A reversed phase high performance liquid chromatography(RP-HPLC) method for the determination of 3-O-ethyl-ascorbic acid in cosmetics was established.The sample was analyzed on a SHIMADZU Shim-pack VP-C18ODS(150 mm×4.6 mm,5 μm) with C18ODS guard column core and UV detector.Operating conditions are: mobile phase consisted of V(CH3OH)∶V(KH2PO4 solution with concention 0.025 mol/L) =20∶80 at a flow rate of 1.0 mL/min;column temperature 30 ℃;wavelength of the UV detector 254 nm;detection cell temperature 40 ℃.Results showed that as the concentration of 3-O-ethyl-ascorbic acid is in the range of 0～100 mg/L,the relationship between concentration and the corresponding peak area shows good linearity(r=0.999 2).The regression equation can be expressed as A=31.170 3ρ and the recovery achieves 97.75%～100.60%.The RSD of the method is 2.6%(n=5)." @default.
- W2380196895 created "2016-06-24" @default.
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- W2380196895 date "2008-01-01" @default.
- W2380196895 modified "2023-09-23" @default.
- W2380196895 title "Determination of 3-O-ethyl-ascorbic acid by reversed phase high performance liquid chromatography" @default.
- W2380196895 hasPublicationYear "2008" @default.
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