This dataset consists of fragmentation data obtained from a representative forest soil DOM sample. The sample was originally taken in November 2005 in a German conifer forest ("Wetzstein") and freeze-dried for storage. In 2018, the sample was reconstituted in bi-distilled water and extracted by SPE (PPL Bond Elut) at an extraction efficiency of 87%. This dataset contains dat for four selected precursor mixtures (isolated at 1 Da window) at m/z 241, 301, 361 and 417. This spans the usual ion abundance range of MS1 fingerprints of terrestrial DOM. Each precursor mixture was measured non-fragmented ("CID0") and at collision energies (CID, N2) of 15, 20 and 25 in reduced profile mode. Each MS/MS spectrum was obtained by averaging 150 scans. For more details, see the connected manuscript.
[doi:10.25345/C59R5S]
[dataset license: CC0 1.0 Universal (CC0 1.0)]
Keywords: DOM ; DI-ESI-MS/MS ; ESI negative ; NOM ; Exometabolome ; Natural organic matter
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Carsten Simon, ETH Zurich, Switzerland |
Submitting User: | carsimon |
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