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What is Humic Acid Size Fractionation via HPSEC about?

1) Preparative HPSEC was used to size-fractionate a humic acid solution before and after treatment with acetic acid to investigate the effect on molecular composition. 2) Pyr-GC-MS and 1H NMR analysis of the size fractions showed that acetic acid treatment altered the distribution of humic components, moving unsaturated alkyl chains to lower molecular size fractions and spreading aromatic moieties across fractions. Carbohydrates appeared in the lowest fraction after treatment. 3) These results suggest th

Author

Pellegrino Conte

Language

EN