SEPARATION OF DIFFERENT TAUTOMERIC FORMS OF A PRECURSOR ION BY A CYCLIC ION MOBILITY SYSTEM

FURTHER INVESTIGATIONS INTO CHARGED ISOMER SPECIES OF THE FLUOROQUINOLONE CLASS OF ANTIBIOTICS USING LINEAR TWIM AND CYCLIC ION MOBILITY Michael McCullagh, Jonathan Fox, Martin Palmer, Alexander Muck and David Higton. Waters Corporation, Stamford Avenue, Altrincham Road, Wilmslow, SK9 4AX. UK.…

APPLICATION NOTE AN52327 Measuring the equilibrium constant of a keto-enol tautomerism using benchtop NMR Author Abstract Dean Antic, Thermo Fisher Scientific, Boulder, CO, USA The 1H NMR spectrum of a β-ketoester, ethyl acetoacetate, reveals the presence of tautomerism, a dynamic…

[ APPLICATION NOTE ] Small Molecule Ion Mobility Investigations into Cross-platform and Long-term Robustness of a CCS Metric Mike McCullagh, 1 Michelle Wood, 2 Nayan Mistry, 2 Severine Goscinny, 3 Petur Dalsgaard4 Waters Corporation, Wilmslow, UK; 2 Sciensano, Brussels, Belgium;…

DETERMINATION OF THE RELATIVE CCS OF PESTICIDE PROTOMERS AND CONFORMERS USING LINEAR AND MULTI-PASS CYCLIC TWIM ION MOBILITY SPECTROMETRY 1 Michael McCullagh, 1Martin Palmer, 1Alexander Muck, 2Séverine Goscinny and 1Jakub Ujma. 1 Waters Corporation, Stamford Avenue, Altrincham Road, Wilmslow, SK9…