Iso-electric focusing in soil science: A tool to develop for the knowledge of humic substances

Fresenius Environmental Bulletin

Volumn 7, Issue 9-10, 1998, Pages 523-530

  Alianiello, F ^a   Fiorelli, F ^a  

^a Istituto Sperimentale per la Nutrizione delle Piante   (Italy)

Author keywords

Humic substances; Iso electric focusing; Organic matter; Soil

Indexed keywords

ELECTRICAL METHOD; HUMIC ACID; SOIL TEST;

EID: 0031695046     PISSN: 10184619     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (11)

1. Cacco G., Maggioni A. & Ferrari G. 1974. Electrofocusing: A new method for characterization of soil humic matter. Soil Biol. Biochem. 6, 145-148.
2. Ciavatta C. & Govi M. 1993. Use of insoluble polyvinylpyrrolidone and isoelectric focusing in the study of humic substances in soils and organic wastes. J. Chromatogr., 643, 261-270.
3. Righetti P. G. 1983. Isoelectric focusing: theory, methodology and applications. Amsterdam, Elsevier Biomedical.
4. Govi M., Bonoretti G., Ciavatta C. & Sequi P. 1993. Characterization of soil organic matter using isoelectric focusing (IEF): a comparison of 6 commercial carrier ampholytes. Soil Sci. 157, 2
5. Ceccanti B. & Nannipieri P. 1979. Concerning the reliability of the isoelectric focusing technique to separate the soil humic substances. In: Recent developments in Chromatography and Electrophoresis (A. Frigerio & L. Renoz, eds) Vol. 10 Elsevier, Amsterdam.
6. Ciavatta C., Govi M., Bonoretti C. & Gessa C. 1996. Identification of peat and Leonardite using humification parameters and isoelectric focusing (IEF): a first approach. Fertilizer Research. 44, 225-230
7. Ceccanti B, Bertolucci M.T., Rustighi G., Calcinai M. 1986. Isoelectric focusing of soil humic substances in the presence of 8 M urea. Biol Fert. of Soils 2:71-75.
8. De Nobili M., Bragato G., Alcaniz J. M., Puigh A. & Comella L. (1990) Characterization of electrophoretic fractions of humic substances with different electrofocusing behavior. Soil Sci. 150, 763-770.
9. Govi M., Montecchio D. & C. Ciavatta 1991. Characterization of humic and humic-like substances in organic fertilizers and amendments. Finnish Humus News 3, 3.
10. Benedetti A., Alianiello F., Dell'Orco S. & Canali S. 1994 A comparative characterization of organic matter in agrarian and forest soils from Italy. Environment International. 20, 3, 419-424.
11. Ciavatta C. Govi M., Bonoretti G. and Gessa C. 1996 Identification of peat and leonardite using humification parameters and Isoelectric focusing (IEF): a first approach. Fertilizer research 44. 25, 230.