Preparation and Characterization of Kaolinite/Tartaric Acid Intercalated Compound

Abstract Kaolinite/tartaric acid(K/T)intercalated compound was prepared by replacing method of dimethyl sulphoxide(DMSO).The product was characterized by XRD-6000 and FTIR.The XRD showed that the basal spacing of kaolinite increased from 0.72 nm to 1.09 nm,and the apparent intercalation of product was 50%.The FTIR spectrum indicated that hydrogen bonds were formed between the carbonyl group in tartaric acid and the hydroxyl group in inner surface of kaolinite.Hydrogen bonds can also be formed between the hydroxyl group in tartaric acid and the oxygen atom of silicon and the oxygen layer in kaolinite.The tartaric acid molecule was tiled between kaolinite layers with single molecule layer.

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Received 2007-09-15; published 2007-09-15

Cite this article:

ZHAO Shun-ping,WANG Xu-fan.Preparation and Characterization of Kaolinite/Tartaric Acid Intercalated Compound[J] Chemcial Industry and Engineering, 2007,V24(5): 412-415