Diffuse reflectance Fourier transform spectroscopy and thermal analysis applied to humic substances
نویسندگان
چکیده
REFERENCIAS Y ENLACES [1] F. J. Stevenson, Humus Chemistry: Genesis, Composition, Reactions, Wiley Interscience, New York (1994). [2] G. R. Aiken, “Isolation and concentration technique for aquatic humic substances”, p. 363−385 in Humic Substances in Soil, Sediment and Water, G. R. Aiken, D. M. McKnight, R. L. Wershaw, P. MacCarthy, Edts., Wiley, New York (1985). [3] Y. Inbar, Y. Chen, Y. Hadar, “Humic substances formed during the composting of organic matter”, Soil Sci. Soc. Am. J. 54, 1316-1323 (1990). [4] G. Haberhauver, M. H. Gerzabek, “Drift and transmission FT-IR spectroscopy of forest soils: An approach to determine decomposition processes of forest litter”, Vib. Spectrosc. 19, 413-417 (1999). [5] O. Francioso, S. Sanchez-Cortés, V. Tugnoli, C. Marzadori, C. Ciavatta, “Spectroscopic study (DRIFT, SERS and1 H NMR) of peat, leonardite and lignite humic substances”, J. Mol. Struct. 565-566, 481-485 (2001). [6] P. R. Griffiths, M. P. Fuller, “ Mid infrared spectrometry of powdered samples” p 63-129 in Advances in Infrared and Raman Spectroscopy, R. J. Clark, R. E. Hester Edts., Heyden and Son, London (1982). [7] M.T. Dell'Abate, S. Canali, A. Trinchera, A. Benedetti, P. Sequi, “Thermal methods of organic matter maturation monitoring during a composting process”, J. Thermal. Anal. Calorim. 61, 389-396 (2000). [8] M. T. Dell'Abate, A. Benedetti, A. Trinchera, C. Dazzi, “Humic substances along the profile of two typic haploxerert”, Geoderma 107, 281-296 (2002). ABSTRACT:
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Chemical Characterization and Infrared Spectroscopy of Soil Organic Matter from Two Southern Brazilian Soils(1)
Soil organic matter from the surface horizon of two Brazilian soils (a Latosol and a Chernosol), in bulk samples (in situ SOM) and in HF-treated samples (SOM), was characterized by elemental analyses, diffuse reflectance (DRIFT) and transmission Fourier transform infrared spectroscopy (T-FTIR). Humic acids (HA), fulvic acids (FA) and humin (HU) isolated from the SOM were characterized additiona...
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