Ionization method for mass spectrometry

Details Ionization method for mass spectrometry Ionization method for mass spectrometry

1973-09-27

1977-01-25

Smith, Alfred E.

Radiant energy

Ionic separation or analysis

Methods

250424, H01J 3934

Patent

active

040052915

ABSTRACT:
A gas, vapor or aerosol substance is ionized for mass spectral analysis by passing the substance through a chemical ionization zone in the presence of (a) charge exchange reactant gas or hydrogen and (b) a chemical ionization reactants' gas. The ionized substance can be passed directly to a mass spectrometer or through an electron impact ionization zone and then to the mass spectrometer.

REFERENCES:
patent: 3405263 (1968-10-01), Wanless et al.
patent: 3555272 (1971-01-01), Munson et al.
patent: 3582645 (1971-06-01), Brunnee et al.
patent: 3621240 (1971-11-01), Cohen et al.

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