The application of the 'WATERGATE' suppression technique for analyzing humic substances by nuclear magnetic resonance

Organic Geochemistry

Volumn 28, Issue 9-10, 1998, Pages 549-559

  Lee, Garry S H ^a   Wilson, Michael A ^a   Young, Brent R ^a  

^a UNIVERSITY OF TECHNOLOGY SYDNEY   (Australia)

Author keywords

Fulvic acid; Humic substances; Soils; Water suppression; WATERGATE

Indexed keywords

ANALYTICAL GEOCHEMISTRY; CHEMICAL REACTIONS; COMPOSITION; ORGANIC COMPOUNDS; SOIL MECHANICS; WATER;

FULVIC ACID; HUMIC SUBSTANCES; WATER SUPPRESSION;

NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY;

HUMIC SUBSTANCE; NMR; SPECTRA;

EID: 0031811143     PISSN: 01466380     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0146-6380(98)00027-8     Document Type: Article

References (40)

1. Amalfitano C., Pignalosa V., Auriemma L., Ramunni A. The contribution of lignin to the composition of humic acids from wheat-straw ammended soil during 3 years of incubation in pots. Journal of Soil Science. 43:1992;495-504.
2. Averett, R. C., Leenheer, J. A., McKnight, D. M. and Thorn, K. A. (1989) Humic substances in the SuwanneeRiver Georgia. Interaction properties and proposed structures. US Geological survey open file report 87-557. US Geological survey, Box 25046 Mail Stop 418 Federal Center Denver CO, U.S.A.
3. Brown J. K., Ladner W. R. A study of the hydrogen distribution in coal-like materials by high-resolution nuclear magnetic resonance spectroscopy II: A comparison with infra-red measurement and the conversion to carbon structure. Fuel. 39:1960;87-96.
4. Brown J. K., Ladner W. R., Sheppard N. A study of the hydrogen distribution in coal-like materials by high-resolution nuclear magnetic resonance spectroscopy I: The measurement and interpretation of the spectra. Fuel. 39:1960;79-86.
5. 1H NMR spectra in proteins Journal of Magnetic Resonance. 77:1988;166-169.
6. Burum D. P. Combined rotation and multiple pulse spectroscopy (CRAMPS). Concepts in Magnetic Resonance. 2:1990;213-227.
7. 13C CPMAS NMR spectroscopy and CuO oxidation Canadian Journal of Soil Science. 73:1993;9-25.
8. Gerstein B. C., Pembleton R. G., Wilson R. P., Ryan C. M. High resolution NMR in randomly oriented solids with homonuclear dipolar broadening: combined multiple pulse NMR and magic angle spinning. Journal of Physical Chemistry. 66:1977;361-362.
9. Gueron M., Plateau P., Decorps M. Solvent signal suppression in NMR. Progress in NMR Spectroscopy. 23:1991;135-209.
10. 13C NMR studies of decomposed wood lignin and caolified xylem tissue. Evidence for chemical structural changes associated with defunctionalization of lignin structural units during coalification Energy and Fuels. 2:1988;48-58.
11. Hatcher P. G., Wilson M. A., Vassallo A. M., Lerch H. E. Studies of angiosperm wood in Australian brown coal by nuclear magnetic resonance and analytical pyrolysis: new insights into the early coalification process. International Journal of Coal Petrology. 13:1989;99-126.
12. Hatcher P. G., Lerch H. E., Verheyen T. V. Organic geochemical studies of the transformation of gymnospermous xylem during peatification and coalification to subbituminous coal. International Journal of Coal Petrology. 13:1989;65-97.
13. Hore P. J. Solvent suppression in Fourier transform nuclear magnetic resonance. Journal of Magnetic Resonance. 55:1983;283-300.
14. Hore P. J. Solvent suppression. Methods in Enzymology. 176:1989;64-77.
15. Hoult D. I. Solvent peak saturation with single phase quadrature Fourier transformation. Journal of Magnetic Resonance. 21:1976;337-347.
16. Hwang T.-L., Shaka A. J. Water suppression that works - excitation sculpting using arbitrary waveforms and pulsed field gradients. Journal Magnetic Resonance Series A. 112:1995;275-279.
17. Leenheer J. A., Wilson M. A., Malcolm R. L. Presence and potential significance of aromatic ketone groups in aquatic humic substances. Organic Geochemistry. 11:1987;273-280.
18. Lobartini J. C., Tan K. H., Asmussen L. E., Leonard R. A., Himmelsbach D. Chemical and spectral differences in humic matter from swamps, streams and soils in the southeastern United States. Geoderma. 49:1991;241-254.
19. Lobartini J. C., Tan K. H., Rema J. A., Gingle A. R., Pape C., Himmelsbach D. The geochemical nature and agricultural importance of commercial humic matter. The Science of the Total Environment. 113:1992;1-15.
20. Lohman, J. A. B. (1995) Bruker Advance GRASP Manual, Version. 1. Bruker Spectrospin, U.K.
21. 2O solutions. Journal of Magnetic Resonance. 85:1989;608-613.
22. 1H NMR in solids Trends in Analytical Chemistry. 9:1990;253-269.
23. Pang L. S. K., Vassallo A. M., Wilson M. A. Chemistry of alkali extraction of brown coals - I kinetics, characterisation and implications to coalification. Organic Geochemistry. 16:1990;853-864.
24. Piotta M., Saudek V., Sklenar V. Gradient-tailored excitation for single-quantum NMR spectroscopy of aqueous solutions. Journal of Biomolecular NMR. 2:1992;661-666.
25. Plateau P., Dumas C., Gueron M. Solvent-peak-suppressed NMR: Correction of baseline distortions and use of strong pulse excitation. Journal of Magnetic Resonance. 54:1983;46-53.
26. Plateau P., Gueron M. Exchangeable proton NMR without base-line distortion, using new strong-pulse sequences. Journal of American Chemical Society. 104:1982;7310-7311.
27. Rayshid U., Johnson W. D., Wilson M. A., Hanna J. V. Chemical changes in organic structural group composition of humic and fulvic acids with depth in sediments from similar geographical but different depositional environments. Organic Geochemistry. 18:1992;521-529.
28. Sihombing R., Greenwood P. F., Wilson M. A., Hanna J. V. Composition of size exclusion fractions of swamp waste humic and fulvic acids as measured by solid state NMR and pyrolysis-gas chromatography-mass spectrometry. Organic Geochemistry. 24:1996;859-873.
29. Sihombing R., Johnson W. D., Wilson M. A., Johnson M., Vassallo A. M., Alderdice D. Origins of humus vegetation. Effect of leaching and seasonal flooding in aromaticity. Organic Geochemistry. 17:1991;85-91.
30. Sklenar V., Tschudin R., Bax A. Water suppression using a combination of hard and soft pulses. Journal of Magnetic Resonance. 75:1987;352-357.
31. 15N HSQC experiments optimised to retain full sensitivity Journal of Magnetic Resonance Series A. 102:1993;241-245.
32. Smallcombe S. H. Solvent suppression with symmetrically-shifted pulses. Journal of American Chemical Society. 115:1993;4776-4785.
33. Sodano P., Delepierre M. Binomial frequency response to non-binomial pulse sequences for efficient water suppression. Journal of Biomolecular NMR. 3:1993;471-477.
34. Trimble L. A., Bernstein M. A. Application of gradients for water suppression in 2D multiple-quantum-filtered Cosy spectra of peptides. Journal of Magnetic Resonance Series B. 105:1994;67-72.
35. Van Zijl P. C. M., Moonen C. T. W. Complete water suppression for solutions of large molecules based on diffusional differences between solute and solvent (DRYCLEAN). Journal of Magnetic Resonance. 87:1990;18-25.
36. Vassallo, A. M., Wilson, M. A. and Palmisano, A. G. (1988). CSIRO, Coal and Energy Report, 1773R, North Ryde, NSW 2113.
37. 1H CRAMPS NMR derived hydrogen distributions in various coal macerals Organic Geochemistry. 20:1993;985-999.
38. Wilson M. A., Jones A. J., Williamson B. Nuclear magnetic resonance spectroscopy of humic materials. Nature. 276:1978;487-489.
39. Wilson, M. A. (1987) NMR Techniques and Applications in Geochemistry and Soil Chemistry. Pergamon Press, Oxford.
40. 1H -nuclear magnetic resonance study of a soil humic acid Journal of Soil Science. 34:1983;297-304.