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Grandjean J, Robert J. 7Li double quantum filtered NMR and multinuclear relaxation rates of clay suspensions: the effect of clay concentration and nonionic surfactants . J Magn Reson. 1999;138(1):43-7doi: 10.1006/jmre.1999.1722.
Grandjean, J., & Robert, J. (1999). 7Li double quantum filtered NMR and multinuclear relaxation rates of clay suspensions: the effect of clay concentration and nonionic surfactants . Journal of magnetic resonance (San Diego, Calif. : 1997), 138(1), 43-7. https://doi.org/10.1006/jmre.1999.1722
Grandjean, and Robert. "7Li double quantum filtered NMR and multinuclear relaxation rates of clay suspensions: the effect of clay concentration and nonionic surfactants ." Journal of magnetic resonance (San Diego, Calif. : 1997) vol. 138,1 (1999): 43-7. doi: https://doi.org/10.1006/jmre.1999.1722
Grandjean J, Robert J. 7Li double quantum filtered NMR and multinuclear relaxation rates of clay suspensions: the effect of clay concentration and nonionic surfactants . J Magn Reson. 1999 May;138(1):43-7. doi: 10.1006/jmre.1999.1722. PMID: 10329224.
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J Magn Reson. 1999 May;138(1):43-7. doi: 10.1006/jmre.1999.1722.

7Li double quantum filtered NMR and multinuclear relaxation rates of clay suspensions: the effect of clay concentration and nonionic surfactants .

Journal of magnetic resonance (San Diego, Calif. : 1997)

Grandjean, Robert

Affiliations

  1. Institut de Chimie B6a, Universite de Liege, Sart Tilman, Liege, B-4000, Belgium.

PMID: 10329224 DOI: 10.1006/jmre.1999.1722

Abstract

7Li double quantum NMR spectra were used to investigate ordering process of synthetic Li+-saponites dispersed in water. Synthetic clays suspended in aqueous solutions of poly(ethylene glycol) monoalkyl ethers were also studied by 7Li, 23Na, and 13C NMR techniques. The strongest surfactant-Li+-saponite interaction occurs with the lowest charged clay. Laponite interacts more strongly with organic molecules than does a similarly charged saponite. The number of oxyethylene units rather than the chain length seems to govern the solid-surfactant interaction. Copyright 1999 Academic Press.

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