Low Molecular Weight Components in an Aquatic Humic Substance As Characterized by Membrane Dialysis and Orbitrap Mass Spectrometry

Suwannee River fulvic acid (SRFA) was dialyzed through a 100–500 molecular weight cutoff dialysis membrane, and the dialysate and retentate were analyzed by UV–visible absorption and high-resolution Orbitrap mass spectrometry (MS). A significant fraction (36% based on dissolved organic carbon) of SR...

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Veröffentlicht in:	Environmental science & technology 2012-09, Vol.46 (17), p.9350-9359
Hauptverfasser:	Remucal, Christina K, Cory, Rose M, Sander, Michael, McNeill, Kristopher
Format:	Artikel
Sprache:	eng
Schlagworte:	Benzopyrans - analysis Chemical compounds Dialysate Dialysis Earth sciences Earth, ocean, space Exact sciences and technology Fourier transforms Geochemistry Hemodialysis Humic Substances - analysis Hydrology Hydrology. Hydrogeology Ions Mass Spectrometry Mineralogy Molecular Weight Molecules Rivers - chemistry Scientific imaging Silicates Ultraviolet radiation Water geochemistry
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