Charge Effects in the Fractionation of Natural Organics Using Ultrafiltration

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Charge effects in the fractionation of natural organics using ultrafiltration.

Comparison of two commonly used techniques for molecular weight determination of natural organics, ultrafiltration (UF) fractionation and high-performance size exclusion chromatography (SEC), shows that neither technique gives absolute measures of molecular weight. Investigations of International Humic Substances Society standard humic and fulvic acids as well as natural organic matter concentr...

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ژورنال

عنوان ژورنال: Environmental Science & Technology

سال: 2002

ISSN: 0013-936X,1520-5851

DOI: 10.1021/es0016708