SPE sorbent comparison for DON extraction Comparison of different solid phase extraction sorbents for the qualitative assessment of dissolved organic nitrogen in freshwater samples using FT-ICR-MS

Content Provider	Semantic Scholar
Author	Stücheli, Patrick E. Niggemann, Jutta Schubert, Carsten J.
Copyright Year	2018
Abstract	Fate and reactivity of dissolved organic matter (DOM) is directly linked to its chemical composition. Therefore, molecular characterisation, for example using Fourier transform ion cyclotron resonance mass spectrometry (FT-ICR-MS), is used for a better understanding of those factors. To study organic compounds in the water column, an efficient extraction method is important. The commonly used extraction method for FTICR-MS is solid phase extraction (SPE) using a reversed-phase sorbent (BondElut PPL). But this method, to the best of our knowledge, was not evaluated for its ability to extract organic nitrogen compounds which are important building blocks of life and therefore an important fraction of DOM. In this study, several solid phase sorbents were tested for their ability to extract organic nitrogen compounds from water samples of natural aqueous environments. Different cartridges concerning their retention mechanism and pore size were tested. Three cartridges with different extraction mechanism (reversed phase, cation exchange or a mixture of both) or This document is the accepted manuscript version of the following article: Stücheli, P. E., Niggemann, J., & Schubert, C. J. (2018). Comparison of different solid phase extraction sorbents for the qualitative assessment of dissolved organic nitrogen in freshwater samples using FT-ICR-MS. Journal of Limnology. https:// doi.org/10.4081/jlimnol.2018.1791 A cc ep te d A rti cl e
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Language	English
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Content Type	Text
Resource Type	Article