https://www.selleckchem.com/products/ZLN005.html
OBJECTIVE To establish a method for determination of ten kinds of α-hydroxy acids in cosmetics with quantitative analysis of multi-components by single marker(QAMS). METHODS The analytes were separated by high performance liquid chromatography on a Venusil XBP C_8 column(4. 6 mm×250 mm, 5 μm), with the mobile phases of ammonium dihydrogen phosphate buffer-methonal under a gradient elution. The components were detected at the wavelengths of 214 nm using a diode array detector. Citric acid was used as the internal standard to determine the
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