Fast Chromatographic Separation of Plasticizers on Thin Layers of an Inorganic Ion-Exchanger: Quantitative Determination of Di(2-ethylhexyl)phthalate |
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| Authors: | A Mirzaie A Jamshidi S Waqif-Husain |
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| Institution: | (1) Faculty of Food Science and Technology, Science and Research Branch, Islamic Azad University, P.O. Box 14515-775, Tehran, Iran;(2) Department of Novel Drug Delivery Systems, Iran Polymer and Petrochemical Institute, P.O. Box 14185-458, Tehran, Iran;(3) Department of Applied Chemistry, Faculty of Chemistry, University of Tarbiat Moallem, 49-Mofatteh Avenue, Tehran, 15614, Iran |
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| Abstract: | Fast and selective separation of dimethyl phthalate, diethyl phthalate, dibutyl phthalate, di(2-ethylhexyl)phthalate (DEHP),
benzyl butyl phthalate, diisodecyl phthalate, dimethyl adipate, diethyl adipate, di(2-ethylhexyl)adipate, triethyl citrate,
tributyl citrate, tributyl acetyl citrate and n-butyl stearate have been developed on thin layers of inorganic ion-exchanger stannic silicate using a mixture of toluene + ethyl
acetate (10:1, v/v) as mobile phase. The development distance and time were 12 cm and 25 min, respectively. Quantitative determination of DEHP
was made at wavelength 280 nm by Camag TLC Scanner-3. Limit of quantitation for DEHP was 0.50 μg per zone while its limit
of detection was 0.05 μg per zone. |
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| Keywords: | Thin layer chromatography Ion-exchange TLC Di(2-ethylhexyl)phthalate Plasticizers Densitometry |
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