Humic acids cont

Conte R, Agretto A., Spaccini R., and Piccolo A., Soil remediation humic acids as natural surfactants in the washing of highly contaminated soils. Environ. Pollut., 135, 515-522, 2005. 

Conte, P., R. Spaccini, and A. Piccolo. 2006. Advanced CPMAS-13C NMR techniques for molecular characterization of size-separated fractions from a soil humic acid. Analytical and Bioanalytical Chemistry 386, no. 2 382-390. doi 10.1007/s00216-006-0637-5. 

Piccolo, A., Conte, P, and Cozzolino, A. (1999). Effects of mineral and monocarboxyhc acids on the molecular association of dissolved humic substances. Eur. J. Soil Sci. 50, 687-694. 

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