Noise reduction in negative-ion quadrupole mass spectrometry
Abstract
A quadrupole mass spectrometer (QMS) system having an ion source, quadrupole mass filter, and ion collector/recorder system. A weak, transverse magnetic field and an electron collector are disposed between the quadrupole and ion collector. When operated in negative ion mode, the ion source produces a beam of primarily negatively-charged particles from a sample, including electrons as well as ions. The beam passes through the quadrupole and enters the magnetic field, where the electrons are deflected away from the beam path to the electron collector. The negative ions pass undeflected to the ion collector where they are detected and recorded as a mass spectrum.
- Inventors:
-
- 3134 Natalie Cir., Augusta, GA 30909-2748
- Issue Date:
- Research Org.:
- Savannah River Site (SRS), Aiken, SC (United States)
- OSTI Identifier:
- 868753
- Patent Number(s):
- 5204530
- Assignee:
- Chastagner, Philippe (3134 Natalie Cir., Augusta, GA 30909-2748)
- Patent Classifications (CPCs):
-
H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01J - ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- DOE Contract Number:
- AC09-89SR18035
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
- Subject:
- noise; reduction; negative-ion; quadrupole; mass; spectrometry; spectrometer; qms; source; filter; collector; recorder; weak; transverse; magnetic; field; electron; disposed; operated; negative; mode; produces; beam; primarily; negatively-charged; particles; sample; including; electrons; passes; enters; deflected; path; pass; undeflected; detected; recorded; spectrum; quadrupole mass; mass filter; beam passes; mass spectrometer; charged particles; magnetic field; charged particle; mass spectrometry; beam path; transverse magnetic; electron collector; source produces; noise reduction; /250/
Citation Formats
Chastagner, Philippe. Noise reduction in negative-ion quadrupole mass spectrometry. United States: N. p., 1993.
Web.
Chastagner, Philippe. Noise reduction in negative-ion quadrupole mass spectrometry. United States.
Chastagner, Philippe. Fri .
"Noise reduction in negative-ion quadrupole mass spectrometry". United States. https://www.osti.gov/servlets/purl/868753.
@article{osti_868753,
title = {Noise reduction in negative-ion quadrupole mass spectrometry},
author = {Chastagner, Philippe},
abstractNote = {A quadrupole mass spectrometer (QMS) system having an ion source, quadrupole mass filter, and ion collector/recorder system. A weak, transverse magnetic field and an electron collector are disposed between the quadrupole and ion collector. When operated in negative ion mode, the ion source produces a beam of primarily negatively-charged particles from a sample, including electrons as well as ions. The beam passes through the quadrupole and enters the magnetic field, where the electrons are deflected away from the beam path to the electron collector. The negative ions pass undeflected to the ion collector where they are detected and recorded as a mass spectrum.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1993},
month = {1}
}
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