Acetone and perdeuterated acetone in UV-IMS |
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Authors: | Christian-Robert Raddatz Maria Allers Ansgar T Kirk Stefan Zimmermann |
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Institution: | 1.Institute of Electrical Engineering and Measurement Technology, Department of Sensors and Measurement Technology,Leibniz Universit?t Hannover,Hannover,Germany |
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Abstract: | Measuring a mixture of acetone and perdeuterated acetone (acetone-d6) with an ultra-high resolution drift time ion mobility spectrometer (resolving power of Rp?=?235) and ultraviolet ionization (10.6 eV) at ambient pressure reveals three separated peaks. Two of the peaks can easily be associated with acetone and perdeuterated acetone. In a former publication several findings indicated an exchange of a methyl group and the formation of a H3COCD3 related peak. In this work the formed ion species were analyzed with a high resolution drift time ion mobility time of flight mass spectrometer. The mass spectra clearly show the formation of three proton-bound dimer peaks whereas the peak between acetone and acetone-d6 is a proton-bound mixed dimer consisting of one acetone and one acetone-d6 molecule. |
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