Methods and apparatus for simultaneously producing and electroni

Details Methods and apparatus for simultaneously producing and electroni Methods and apparatus for simultaneously producing and electroni

1977-02-28

1978-08-08

Smith, Alfred E.

Radiant energy

Ionic separation or analysis

Methods

250292, 250423R, H01J 3708

Patent

active

041059166

ABSTRACT:
A method and apparatus for mass spectrometry employing tandem chemical ionization (CI) and electron impact (EI) ionization chambers with independent ionizing electron sources, both CI and EI ions being produced simultaneously. Through electronic shuttering either the CI or EI ions may be transmitted to the mass spectrometer while the ions of the other type are dispersed and rejected. The shuttering being accomplished very rapidly relative to the mass scan rate, which is in turn fast with respect to temporal variations in sample material composition. The two interwoven ion sequences are demultiplexed and smoothed into independent and effective simultaneous CI and EI mass spectrum channels.

REFERENCES:
patent: 3115591 (1963-12-01), Brumee
patent: 3405263 (1968-10-01), Wamless et al.
patent: 3886365 (1975-05-01), Kruger et al.
patent: 3924134 (1975-12-01), Uman et al.
patent: 3984692 (1976-10-01), Arsenault
patent: 3992632 (1976-11-01), Kruger et al.

Affiliated with

Also associated with

Rating

Methods and apparatus for simultaneously producing and electroni does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Methods and apparatus for simultaneously producing and electroni, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Methods and apparatus for simultaneously producing and electroni will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-920957