Monodisperse aerosol generator for use with infrared spectrometr

Details Monodisperse aerosol generator for use with infrared spectrometr Monodisperse aerosol generator for use with infrared spectrometr

1990-05-04

1992-12-29

Nozick, Bernard

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

55 17, 552571, 55392, G01J 100, G01N 100

Patent

active

051754339

ABSTRACT:
A monodisperse aerosol generator forms a stable jet of liquid at a velocity allowing columnar breakup into droplets of uniform size and spacing. To prevent degradation of the monodisperse aerosol, it is disposed by entrainment in a high velocity gaseous stream. To provide an interface for direct injection onto a particle collection device or into an infrared or Raman spectrometer or to interface a liquid chromatograph with a particle collection device or an infrared or Raman spectrometer, the generator is followed by a desolvation chamber operation at about atmospheric pressure and a multistage pressure reducer which evacuates solvent vapor and gaseous medium to form a high momentum, solvent-depleted solute aerosol beam which is input into the infrared or Raman spectrometer.

REFERENCES:
patent: 4383171 (1983-05-01), Sinha et al.
patent: 4629478 (1986-12-01), Browner et al.
patent: 4762995 (1988-09-01), Browner et al.
patent: 4924097 (1990-05-01), Browner et al.

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