100630 Simultaneous determination of multiple additives in cosmetics

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Simultaneous determination of multiple additives in cosmetics

Summary

Type: HPLC
Application #: 100630
Catalog#: 720120.40 - MN HPLC Column, Nucleosil C18, 100A, 5um, 4x150mm
Detection: UV, diode array, variable wavelengths as indicated
Conditions: eluent: 26min linear gradient starting with water - methanol (65:35), adjusted to pH 2.5 with phosphoric acid, and ending with methanol - phosphoric acid (1000:1) followed by 12min of the final eluent;
flow rate 1.0ml/min
20μl, 50μg/ml of each component
Authors: Yamamoto S
Source: J Chromatogr 370 (1986) 179 - 187


Details


Legend: Gradient elution of typical additives: 1.) pantothenyl ethyl ether 2.) methyl p-hydroxybenzoate 3.) salicylic acid 4.) benzyl nicotinate 5.) 4-isopropyl-3-methylphenol 6.) butyl p-hydroxybenzo