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Chlorophyll adsorption on acid-activated clay

  • Short Communication
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Journal of the American Oil Chemists Society

Abstract

An acid-activated clay (Çanakkale montmorillonite from Turkey) was used to adsorb chlorophyll from hexane solutions. The phenomenon seems to be mainly driven by the interaction of chlorophyll with acid sites. The adsorption of chlorophyll on Brönsted acid sites was indicated by a characteristic infrared band for the -OH group at 3671 cm−1. The variations in the structure of clay mineral and chlorophyll during adsorption have been examined by differential thermal analysis, thermogravimetry and infrared spectroscopy of the activated clay before and after adsorption of chlorophyll. Oxidation of adsorbed chlorophyll was completed at quite a high temperature.

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Authors and Affiliations

  1. Faculty of Science, Chemistry Department, Ege University, Izmir, Turkey

    Çetin Güler & Fatma Tunç

Authors
  1. Çetin Güler
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  2. Fatma Tunç
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Güler, Ç., Tunç, F. Chlorophyll adsorption on acid-activated clay. J Am Oil Chem Soc 69, 948–950 (1992). https://doi.org/10.1007/BF02636350

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  • DOI: https://doi.org/10.1007/BF02636350

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