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Title: Adsorption of glycine and alanine on montmorillonite with or without coordinated divalent cations
Authors: Kalra, Sippy
Pant, C K
Pathak, H D
Mehta, M S
Issue Date: Oct-2000
Publisher: NISCAIR-CSIR, India
Abstract: Adsorption of glycine and alanine on montmorillonite and on Ca2+- and Mg2+- exchanged montmorillonite clay over a range of pH (4.0-9.0) and temperature (20-35oC) under possible abiotic conditions have been investigated UV-spectrophotometrically. Adsorption of both the amino acids was considerable on all the three adsorbents used. Maximum adsorption was observed at 25o C and neutral pH. Ca2+-montmorillonite exhibited relatively better adsorption as compared to Mg2+-exchanged form or montmorillonite. The values of KL and Xm were determined using Langmuir isotherm characteristics.
Page(s): 341-346
ISSN: 0975-0959 (Online); 0301-1208 (Print)
Appears in Collections: IJBB Vol.37(5) [October 2000]

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