Abstract
A method is proposed for the determination of sultones in the anionic surfactant sodium α-olefin sulfonate (AOS Na) and products based on this surfactant. The importance and necessity of quality control in the production of AOS Na and detergents for the presence of sultone impurities is due to their toxic effect on a human body. Under production conditions, the analysis procedure should be rapid and provide results at the ppm level. In the present work, a procedure for determining sultones based on gas chromatography–mass spectrometry is improved. δ-Hexadecanesultone isolated from the sulfonation reaction mass is used as a standard in the determination. Satisfactory performance characteristics of the procedure, ensuring its use for production control, are obtained. Foreign commercial samples of AOS Na from different manufacturers are tested for the content of sultones along with model mixtures of detergents prepared on the basis of these samples. The results of tests for the stability of model mixtures of detergents over time showed that a high concentration of sultones results in the formation of precipitates in the finished product.
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Translated by V. Kudrinskaya
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Mubarakova, L.R., Budnikov, H.C. Determination of δ-Hexadecanesultone in Anionic Surfactants and Detergents by Gas Chromatography–Mass Spectrometry. J Anal Chem 77, 698–703 (2022). https://doi.org/10.1134/S1061934822060107
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DOI: https://doi.org/10.1134/S1061934822060107