The effect of laser wavelength and power density on the laser desorption mass spectrum of fulvic acid

Organic Geochemistry

Volumn 31, Issue 7-8, 2000, Pages 627-634

  Brown, Teresa L ^a   Rice, James A ^a  

^a SOUTH DAKOTA STATE UNIVERSITY   (United States)

Author keywords

Fulvic acid; Humic substances; Laser desorption mass spectrometry

Indexed keywords

FULVIC ACID; LASER DESORPTION MASS SPECTROMETRY;

DESORPTION; LASER APPLICATIONS; MASS SPECTROMETRY; MOLECULAR WEIGHT; ORGANIC ACIDS; PHOTOIONIZATION;

ANALYTICAL GEOCHEMISTRY;

FULVIC ACID; ORGANIC MATTER; SPECTROMETRY;

EID: 0034233313     PISSN: 01466380     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0146-6380(00)00050-4     Document Type: Conference Paper

References (28)

1. Averett, R. C., Leenheer, J. A., McKnight, D. M., Thorn K. A., 1989. Humic substances in the Suwannee river, Georgia: interactions, properties and proposed structures. USGS OFR 87-557, US GPO: Washington, DC.
2. Baker J.E., Capel P.D., Eisenreich S.J. Influence of colloids on sediment-water partition coefficients of polychlorobiphenyl congeners in natural water, Environ. Sci. Technol. 20:1986;1136-1143.
3. Boehm P.D., Quinn J.G. Solubilization of hydrocarbons by the dissolved organic matter in sea water, Geochim. Cosmochim. Acta. 37:1973;2459-2477.
4. Brown, T. L., 1998, Characterization of fulvic acid by Fourier transform ion cyclotron resonance mass spectrometry. PhD dissertation, South Dakota State Univ., 218 pp.
5. Brown T.L., Novotny F.J., Rice J.A. The effect of laser wavelength and power density on the laser desorption mass spectrum of fulvic acid. Davies G., Ghabbour E.A. Humic Substances: Structures and Environmental Impacts. 1998;91-107 Royal Soc. Chem, Cambridge.
6. Campbell, W.L., Malcolm, M.J. 1985. Preparation, homogenization, and storage of earth standards used and distributed by the International Humic Substances Society, Org. Geochem. 8, 109.
7. Chin Y.-P., Weber W.J. Jr., Eadie B.J. Estimating the effects of dispersed organic polymers on the sorption of contaminants by natural solids. 2. Sorption in the presence of humic and other natural macromolecules. Environ. Sci. Technol. 24:1990;837-842.
8. Cooper A.R. Molecular weight averages and distribution functions. Cooper A.R. Determination of Molecular Weight. 1989;1-6 John Wiley and Sons, New York.
9. Hassett J.P., Millcic E. Determination of equilibrium and rate constants for binding of a polychlorinated biphenyl congener by dissolved humic substances. Environ. Sci. Technol. 19:1985;638-643.
10. Hayes M.H.B., MacCarthy P., Malcolm R.L., Swift R.S. Structures of humic substances: the emergence of forms. Hayes M.H., MacCarthy P., Malcolm R.L., Swift R.S. Humic Substances II: In Search of Structure. 1989;689-733 John Wiley and Sons, Chichester.
11. Hillenkamp F. Laser desorption mass spectrometry: mechanisms, techniques and applications. Adv. Mass Spectrom. 11A:1989;354-362.
12. Karas M., Bachman D., Hillenkamp F. Influence of the wavelength in high-irradiance ultraviolet laser desorption mass spectrometry of organic molecules. Anal. Chem. 57:1985;2935-2939.
13. Karas M., Hillenkamp F. Laser desorption ionization of proteins with molecular masses exceeding 10 000 Daltons. Anal. Chem. 60:1988;2299-2301.
14. Karas M., Ingendoh A., Bahr U., Hillenkamp F. Ultraviolet-laser desorption/ionization mass spectrometry of femtomolar amounts of large proteins. Biomed. Environ. Mass Spectrom. 18:1989;841-843.
15. MacCarthy P., Rice J.A. Spectroscopic methods (other than NMR) for determining functionality in humic substances. Aiken G.R., McKnight D.M., Wershaw R.L., MacCarthy P. Humic Substances in Soil, Sediment, and Water: Geochemistry, Isolation, and Characterization. 1985;527-559 John Wiley and Sons, New York.
16. MacCarthy P., Rice J.A. An ecological rationale for the heterogeneous nature of humic substances. Schneider S., Boston P.J. Scientists on Gaia. 1991;339-345 MIT Press, Cambridge, MA.
17. Means J.C., Wijayarante R.D. Role of natural colloids in the transport of hydrophobic pollutants. Science. 215:1982;968-970.
18. Novotny, F. J., 1993. Reevaluation of the molecular weight of fulvic acid, PhD dissertation, South Dakota State University: Brookings, SD, 184 pp.
19. Novotny F.J., Rice J.A., Weil D. Characterization of fulvic acid by laser-desorption FTMS, Environ. Sci. Technol. 29:1995;2464-2466.
20. Schulten H.R., Plage B., Schnitzer M. A chemical structure for humic substances. Naturwiss. 79:1992;330-331.
21. Schulten H.-R., Schnitzer M. Chemical model structures for soil organic matter and soils. Soil Sci. 162:1997;115-130.
22. Stevenson F.J. Humus Chemistry. 1982;John Wiley and Sons, New York.
23. Swift R.S. Organic matter characterization. Sparks D.L.et al. Methods of Soil Analysis. Chemical Methods. Part 3. 1996;1011-1069 Soil Sci. Soc. Am. Book Series, Soil Science Society of America, Madison, WI.
24. van Vaeck L., van Roy W., Gijbels R., Adams F. Methods utilizing low and medium laser irradiance B. Structural characterization of organic molecules by laser mass spectrometry. Vertes A., Gijbels R., Adams F. Laser Ionization Mass Analysis. 1993;177-319 John Wiley and Sons, New York.
25. Welte D. Organischer Kohlerstoff und die Entwicklung der Photosynthese auf der Erde. Naturwiss. 57:1970;17-23.
26. Wershaw R.L., Aiken G. Molecular size and weight measurements of humic substances. Aiken G.R., McKnight D.M., Wershaw R.L., MacCarthy P. Humic Substances in Soil, Sediment, and Water: Geochemistry, Isolation, and Characterization. 1985;477-492 John Wiley and Sons, New York.
27. Wershaw R.L., Burcar D.J., Goldberg M.C. Interaction of pesticides with natural organic material, Environ. Sci. Technol. 3:1969;271-273.
28. Young T.M., Weber W.J. Jr. A distributed reactivity model for sorption by soils and sediments. 3. Effects of diagenetic processes on sorption kinetics. Environ. Sci. Technol. 29:1996;92-97.