Summary
It is suggested that, in IR spectra of fractions of soil organic matter eluted from Sephadex, absorption bands ascribed to aromatic ethers, epoxide rings and alcoholic or phenolic hydroxyl groups by Bailly1 are more consistent with a conventional humic material in its carboxylate from and an associated soil clay mineral such as illite. re]19770204
References
Bailly, J. R., Plant and Soil 45, 95–112 (1976).
Colthup, N. B.,et al., Introduction to infrared and Raman spectroscopy. Academic Press (1965).
Farmer, V. C., The infrared spectra of minerals. Mineralogical Society, London (1974).
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Russell, J.D., Anderson, H.A. Comment on ‘Spectroscopie infra-rouge de quelques fractions d'acides humiques obtenues sur Sephadex’. Plant Soil 48, 547–548 (1977). https://doi.org/10.1007/BF02187263
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DOI: https://doi.org/10.1007/BF02187263