Anna Ioutsi, Anastasia Sarnitskaya, Mikhail Sumtsov
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Simultaneous Determination of General Active Ingredients in Topical Formulations by Gas Chromatography with Flame Ionization Detection (GC-FID).
A simple, fast, precision and sensitive gas chromatographic method was developed for determination of camphor, L-menthol, methyl salicylate, salicylic acid, benzyl nicotinate and nonivamide in topical formulations. The possibility of determination low-boiling components and high-boiling components by a single analytical method was shown. The method was optimized by evaluating the effect of a large number of chromatographic parameters and sample preparation stages. It was validated according to the International Council on Harmonization guidelines. Limit of quantification of active components were achieved from 0.7 μg/mL for benzyl nicotinate and L-menthol to 41 μg/mL for salicylic acid. High repeatability and good recovery values were demonstrated. The practical application of the proposed method was shown for ointments and cream.
期刊介绍：
The Journal of Chromatographic Science is devoted to the dissemination of information concerning all methods of chromatographic analysis. The standard manuscript is a description of recent original research that covers any or all phases of a specific separation problem, principle, or method. Manuscripts which have a high degree of novelty and fundamental significance to the field of separation science are particularly encouraged. It is expected the authors will clearly state in the Introduction how their method compares in some markedly new and improved way to previous published related methods. Analytical performance characteristics of new methods including sensitivity, tested limits of detection or quantification, accuracy, precision, and specificity should be provided. Manuscripts which describe a straightforward extension of a known analytical method or an application to a previously analyzed and/or uncomplicated sample matrix will not normally be reviewed favorably. Manuscripts in which mass spectrometry is the dominant analytical method and chromatography is of marked secondary importance may be declined.
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