instrument typeLC-ESI-QFT accessionET030004 date2016.03.17 (Created 2015.09.25, modified 2016.02.03) authorR. Gulde, E. Schymanski, K. Fenner, Department of Environmental Chemistry, Eawag licenseCC BY copyrightCopyright (C) 2016 Eawag, Duebendorf, Switzerland publicationGulde, R.; Meier, U.; Schymanski, E. L.; Kohler, H.-P. E.; Helbling, D. E.; Derrer, S.; Rentsch, D.; Fenner, K. Systematic Exploration of Biotransformation Reactions of Amine-Containing Micropollutants in Activated Sludge. Environmental Science & Technology 2016, 50 (6), 2908–20. DOI:10.1021/acs.est.5b05186 exact mass286.1237 instrumentQ Exactive Orbitrap Thermo Scientific ms levelMS2 ionizationESI fragmentation modeHCD collision energy15, 30, 45, 60, 70 or 90 (nominal) resolution17500 columnAtlantis T3 3um, 3x150mm, Waters with guard column flow gradient95/5 at 0 min, 5/95 at 15 min, 5/95 at 20 min, 95/5 at 20.1 min, 95/5 at 25 min flow rate300 uL/min retention time14.8 min SOLVENT Awater with 0.1% formic acid SOLVENT Bmethanol with 0.1% formic acid recalibrateloess on assigned fragments and MS1 reanalyzePeaks with additional N2/O included wholeRMassBank 1.99.7 ionization modepositive spectral entropy1.1880347893973866 normalized entropy0.5406979339534274 precursor m/z287.131 precursor type[M+H]+ mass accuracy2.2508471744301217 ppm mass error-6.462880000412952E-4 Da