Abstract
Four fractions of dissolved organic matter (DOM) (hydrophobic acids, HPO-A; hydrophobic neutrals HPO-N; amphiphilic acids, AMP-A; and amphiphilic neutrals, AMP-N) were identified using electrospray ionization coupled to ultrahigh-resolution Fourier transform ion cyclotron resonance mass spectrometer. The fractions were isolated from an off-stream Colorado River water reservoir in Arizona, USA. A great portion of heteroatom-containing (i.e., N, S, P) formulas were identified in the neutrals. Only 3.8% of the identified molecules were common between four fractions. The neutral fractions showed a high portion of high-intensity S-containing molecules which can be attributed to textile surfactants (i.e., linear alkylbenzene sulfonates, etc.) and their biodegradation and biotransformation derivatives indicating anthropogenic input on-site.
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© 2013 Zhejiang University Press and Springer Science+Business Media Dordrecht
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Song, G., Mesfiou, R., Dotson, A., Westerhoff, P., Hatcher, P. (2013). Sulfur-Containing Molecules Observed in Hydrophobic and Amphiphilic Fractions of Dissolved Organic Matter by Fourier Transform Ion Cyclotron Resonance Mass Spectrometry. In: Xu, J., Wu, J., He, Y. (eds) Functions of Natural Organic Matter in Changing Environment. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-5634-2_14
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DOI: https://doi.org/10.1007/978-94-007-5634-2_14
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