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Title
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Simultaneous spectrophotometric determination of binary mixtures of surfactants using continuous wavelet transformation
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Type
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JournalPaper
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Keywords
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Cationic surfactants, TX-100, Simultaneous determination, Wavelet transformation, Hygienic products
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Abstract
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Thiswork presents a simple, rapid, and novelmethod for simultaneous determination of binary mixtures of some surfactants using continuous wavelet transformation. The method is based on the difference in the effect of surfactants Cetyltrimethylammoniumbromide (CTAB), dodecyl trimethylammonium bromide (DTAB), cetylpyridinium bromide (CPB) and TritonX-100 (TX-100) on the absorption spectra of complex of Beryllium with Chrome Azurol S (CAS) at pH 5.4. Binary mixtures of CTAB–DTAB, DTAB–CPB and CTAB–TX-100 were analyzed without prior separation steps. Different mother wavelets from the family of continuous wavelet transforms were selected and applied under the optimal conditions for simultaneous determinations. The proposed methods, under the working conditions, were successfully applied to simultaneous determination of surfactants in hair conditioner and mouthwash samples.
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Researchers
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Mitra Hajihadi (Fifth Researcher), Maryam Abbasi-Tarighat (Fourth Researcher), Tayyebeh Madrakian (Third Researcher), Davood Nematollahi (Second Researcher), Abbas Afkhami (First Researcher)
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