Journal
JOURNAL OF ANALYTICAL CHEMISTRY
Volume 63, Issue 10, Pages 982-986Publisher
MAIK NAUKA/INTERPERIODICA/SPRINGER
DOI: 10.1134/S1061934808100109
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- Anadolu University Scientific Research Projects [041021]
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A validated capillary electrophoresis method for the determination of parabens-methyl, ethyl, propyl, and butyl is described. The optimum results were obtained by the use of a run buffer containing 20 mM borate buffer (pH 9.0) with 10% methanol and by applying a voltage of 20 kV, a low hydrodynamic injection of 10 s, and detecting the signals at 200 nm. Moxifloxazin was used as an internal standard. All parabens were separated within 10 min. The method showed a good repeatability, linearity, and sensitivity. It was applied to the determination of parabens in pharmaceutical and certain cosmetic products.
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