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Usage Statistics Cite this paper as: Thanh, N.; Nhung, H. CELLULOSE MODIFIED WITH CITRIC ACID AND ITS ABSORPTION OF Pb2+ and Cd2+ IONS. In Proceedings of the 13th Int. Electron. Conf. Synth. Org. Chem., 1-30 November 2009; Sciforum Electronic Conferences Series, 2009, f003:1-13.
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13th Int. Electron. Conf. Synth. Org. Chem. 2009, f003:1-13
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CELLULOSE MODIFIED WITH CITRIC ACID AND ITS ABSORPTION OF Pb2+ and Cd2+ IONS
Faculty of Chemistry, College of Sicence, Hanoi National University 19 Le Thanh Tong, Hanoi, Vietnam;
* Author to whom correspondence should be addressed.
(This article belongs to the section F. Polymer and Supramolecular Chemistry)
Abstract: Cellulose was modified with citric acid in high temperature. Investigations of its absorption of heavy metal ions (such as Pb2+ and Cd2+) showed that modified cellulose in conditions 120°C and 12 h and in mass ratio of cellulose :citric acid=1:3 had highest absorption capacity. Absorption capacity of modified cellulose increased in accordance with increase of concentrations of ions. Structure of modified cellulose was confirmed by IR spectra and SEM pictures.
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