Summary
Curie point pyrolysis in combination with low voltage mass spectrometry has shown that humic acids extracted from three typical Indian soils have similar structures which resemble that of a fungal ‘humic acid’ rather than that of a lignin.
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References
Zemany, P. D., Anal Chem.24, 1709–1713 (1952).
Simon, W.et al., J. Gas Chromatogr.5, 53–57 (1967).
Meuzelaar, H. L. C. and Kistemaker, P. G., Anal Chem.45, 587–590 (1973).
Meuzelaar, H. L. C.et al., Anal Chem.45, 1546–1549 (1973).
Posthumus, M. A.et al. Adv. in Mass Spectrom, Ed. A. R. West,6, 397–402, Elsevier, Barking (1974).
Bracewell, J. M. and Robertson, G. W., J. Soil Sci.24, 421–428 (1973).
Nagar, B. R.et al., Ind. J. Chem.9, 168–169 (1971).
Kistemaker, P. G.et al., in New Approaches to the Identification of Micro-organisms, Ed. C. G. Heden, Wiley, New York (in press).
Martin, J. P.et al., Soil Biol. Biochem.,6, 221–230 (1974).
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Nagar, B.R., Waight, E.S., Meuzelaar, H.L.C. et al. Studies on the structure and origin of soil humic acids by curie point pyrolysis in direct combination with low-voltage mass spectrometry. Plant Soil 43, 681–685 (1975). https://doi.org/10.1007/BF01928529
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DOI: https://doi.org/10.1007/BF01928529