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Chromatographia

, Volume 65, Issue 3–4, pp 245–248 | Cite as

Fast Chromatographic Separation of Plasticizers on Thin Layers of an Inorganic Ion-Exchanger: Quantitative Determination of Di(2-ethylhexyl)phthalate

  • A. Mirzaie
  • A. Jamshidi
  • S. Waqif-Husain
Full Short Communication

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.

Keywords

Thin layer chromatography Ion-exchange TLC Di(2-ethylhexyl)phthalate Plasticizers Densitometry 

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Copyright information

© Friedr. Vieweg & Sohn Verlag/GWV Fachverlage GmbH 2006

Authors and Affiliations

  1. 1.Faculty of Food Science and Technology, Science and Research BranchIslamic Azad UniversityTehranIran
  2. 2.Department of Novel Drug Delivery SystemsIran Polymer and Petrochemical InstituteTehranIran
  3. 3.Department of Applied Chemistry, Faculty of ChemistryUniversity of Tarbiat MoallemTehranIran

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