DOI: 10.1063/1.1671236. NMR Doublet Splitting in Aqueous Montmorillonite Gels

NMR Doublet Splitting in Aqueous Montmorillonite Gels

10.1063/1.1671236

Crossref journal-article

AIP Publishing

The Journal of Chemical Physics (317)

Abstract

Doublet splitting in the NMR spectrum of montmorillonite clay–water systems arises from the preferred orientation of water molecules on clay gels. The small magnitude of the doublet splitting compared to that expected for motionless molecules indicates dynamic preferential orientation of the water in the clay–water systems. The fact that the doublet splitting is observed for the D2O–clay gels at all temperatures but only for the H2O–clay gels at low temperatures and relatively small water content suggests the importance of hydrogen exchange in the observation of the H2O doublet. Hydrogen exchange “washes out” the proton doublet but not the deuteron doublet. The reason for this is the difference in the proton and deuteron nuclear spin interactions which give rise to the doublet.

Bibliography

Woessner, D. E., & Snowden, B. S. (1969). NMR Doublet Splitting in Aqueous Montmorillonite Gels. The Journal of Chemical Physics, 50(4), 1516â1523.

Authors 2

D. E. Woessner (first)
B. S. Snowden (additional)

References 13 Referenced 72

{'key': '2024020904485745600_r1', 'first-page': '85', 'volume': '83', 'year': '1960', 'journal-title': 'Bull. Soc. Franc. Mineral. Crist.'} / Bull. Soc. Franc. Mineral. Crist. (1960)
10.1063/1.1725151 / J. Chem. Phys. (1964)
{'key': '2024020904485745600_r3', 'first-page': '6', 'volume': '89', 'year': '1966', 'journal-title': 'Bull. Soc. Franc. Mineral. Crist.'} / Bull. Soc. Franc. Mineral. Crist. (1966)
{'key': '2024020904485745600_r4'}
10.1063/1.1732460 / J. Chem. Phys. (1962)
{'key': '2024020904485745600_r6'}
10.1063/1.1668719 / J. Chem. Phys. (1968)
10.1021/ja00997a054 / J. Am. Chem. Soc. (1967)
10.1016/0031-9163(62)90147-6 / Phys. Letters (1962)
{'key': '2024020904485745600_r10'}
10.1063/1.1727249 / J. Chem. Phys. (1966)
10.1063/1.1716004 / Rev. Sci. Instr. (1958)
10.1088/0950-7671/43/11/417 / J. Sci. Instr. (1966)

Dates

Type	When
Created	21 years, 6 months ago (Feb. 4, 2004, 4:37 p.m.)
Deposited	1 year, 6 months ago (Feb. 8, 2024, 11:51 p.m.)
Indexed	1 year, 1 month ago (July 3, 2024, 3:19 a.m.)
Issued	56 years, 6 months ago (Feb. 15, 1969)
Published	56 years, 6 months ago (Feb. 15, 1969)
Published Print	56 years, 6 months ago (Feb. 15, 1969)

Funders 0

None

BibTeX

@article{Woessner_1969, title={NMR Doublet Splitting in Aqueous Montmorillonite Gels}, volume={50}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.1671236}, DOI={10.1063/1.1671236}, number={4}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Woessner, D. E. and Snowden, B. S.}, year={1969}, month=feb, pages={1516–1523} }

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