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Isolation of Humic and Non-Humic NOM Fractions: Structural Characterization

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Abstract

The combination of RO concentration and XAD-8/XAD-4 resinadsorption techniques was used to isolate the differentconstituents of the Natural Organic Matter (NOM) from inorganicsalts. NOM fractions i.e. colloids, hydrophobic NOM (HPO humicsubstances), transphilic NOM (TPI) and hydrophilic NOM (HPI)fractions isolated from different surface waters werecharacterized using 13C NMR and FT-IR spectroscopy andHPLC/Size Exclusion Chromatography coupled with UV and DOCdetection. Results showed that the isolation procedure wassuitable to quantitatively isolate the different fractions ofNOM.

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Authors and Affiliations

  1. Laboratoire de Chimie de l'Eau et de l'Environnement, Université de Poitiers, UMR CNRS 6008, Ecole Supérieure d'Ingénieurs de Poitiers, France (e-mail:

    Jean-Philippe Croué

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  1. Jean-Philippe Croué
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Croué, JP. Isolation of Humic and Non-Humic NOM Fractions: Structural Characterization. Environ Monit Assess 92, 193–207 (2004). https://doi.org/10.1023/B:EMAS.0000039369.66822.c0

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  • DOI: https://doi.org/10.1023/B:EMAS.0000039369.66822.c0

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