| 词条 | Prolate trochoidal mass spectrometer |
| 释义 |
A prolate trochoidal mass spectrometer is a 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.[1][2] 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). ApplicationsThe instruments are used for the analysis of gases[3] and in gas chromatography-mass spectrometry.[4] The trochoidal configuration can also be used as the basis of an electron monochromator.[5] References1. ^{{cite journal|title=A New Mass Spectrometer with Improved Focusing Properties|journal=Phys. Rev.|date=1938|first=Walker|last=Bleakney|author2=John A. Hipple Jr.|volume=53|issue=7|pages=521–529|doi= 10.1103/PhysRev.53.521|url=http://link.aps.org/abstract/PR/v53/p521|accessdate=2007-10-02 |bibcode = 1938PhRv...53..521B }} 2. ^{{GoldBookRef|title=Prolate trochoidal mass spectrometer|file=P04874}} 3. ^{{cite journal |vauthors=Adamczyk B, Bederski K, Wójcik L |title=Mass spectrometric investigation of dissociative ionization of toxic gases by electrons at 20-1000 eV |journal=Biomed. Environ. Mass Spectrom. |volume=16 |issue=1–12 |pages=415–7 |year=1988 |pmid=3149538 |doi=10.1002/bms.1200160181}} 4. ^{{cite journal |vauthors=Laramée JA, Deinzer ML |title=Capillary gas chromatographic introduction of environmental compounds into a trochoidal electron monochromator/mass spectrometer |journal=Anal. Chem. |volume=66 |issue=5 |pages=719–24 |year=1994 |pmid=8154592 |doi=10.1021/ac00077a022}} 5. ^{{cite journal |vauthors=Voinov VG, Vasil'ev YV, Morré J, Barofsky DF, Deinzer ML, Gonin M, Egan TF, Führer K |title=A resonant electron capture time-of-flight MS with trochoidal electron monochromator |journal=Anal. Chem. |volume=75 |issue=13 |pages=3001–9 |year=2003 |pmid=12964744 |doi=10.1021/ac030019v}} External links
1 : Mass spectrometry |
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