Method for producing selected mass spectra

Details Method for producing selected mass spectra Method for producing selected mass spectra

1978-01-26

1980-06-24

Anderson, Bruce C.

Radiant energy

Ionic separation or analysis

Methods

250423P, B01D 5944, H01J 3940

Patent

active

042096979

ABSTRACT:
In a method for producing selected mass spectra by directing electromagnetic radiation through an optical system onto sample material for vaporization, destruction, excitation and/ or ionization in the microrange, setting the expanse of the irradiation region of the sample by selection of the energy density of the radiation, and detecting the released particles, the radiation power density is varied for producing mass spectra having respectively different proportions of atom and molecule spectra.

REFERENCES:
patent: 3813544 (1974-05-01), Franzen et al.
"Photofragment Spectrometer", Busch et al. Univ. of _Cal. vol. 41, No. 7, Jul. 1970, pp. 1066-1073.

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