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Chemical Sciences: A Manual for CSIR-UGC National Eligibility Test for Lectureship and JRF/Prolate trochoidal mass spectrometer
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A prolate trochoidal mass spectrometer is an chemical analysis instrument in which the ions of different mass-to-charge ratio are separated by means of mutually perpendicular electric and magnetic fields so that the ions follow a prolate trochoidal path. A New Mass Spectrometer with Improved Focusing Properties Phys. Rev. 1938 Walker Bleakney John A. Hipple, Jr. 53 7 521–529 10.1103/PhysRev.53.521 http://link.aps.org/abstract/PR/v53/p521 2007-10-02 Prolate trochoidal mass spectrometer P04874 These devices are sometimes called cycloidal mass spectrometers, although the path is not a cycloid (the prolate trochoid path has loops, the cycloid has cusps).
Applications
The instruments are used for the analysis of gasesAdamczyk B, Bederski K, Wójcik L Mass spectrometric investigation of dissociative ionization of toxic gases by electrons at 20-1000 eV Biomed. Environ. Mass Spectrom. 16 1-12 415–7 1988 3149538 10.1002/bms.1200160181 and in gas chromatography-mass spectrometry.Laramée JA, Deinzer ML Capillary gas chromatographic introduction of environmental compounds into a trochoidal electron monochromator/mass spectrometer Anal. Chem. 66 5 719–24 1994 8154592 10.1021/ac00077a022 The trochoidal configuration can also be used as the basis of an electron monochromator.Voinov VG, Vasil'ev YV, Morré J, Barofsky DF, Deinzer ML, Gonin M, Egan TF, Führer K A resonant electron capture time-of-flight MS with trochoidal electron monochromator Anal. Chem. 75 13 3001–9 2003 12964744 10.1021/ac030019v
References
External links
US 6624410 Cycloidal mass spectrometer
US 6617576 Cycloidal mass spectrometer with time of flight characteristics and associated method