Double pass tandem cooling aerosol condenser

Details Double pass tandem cooling aerosol condenser Double pass tandem cooling aerosol condenser

1989-11-17

1991-07-23

Flanigan, Allen J.

Heat exchange

Non-communicating coaxial enclosures

With communicating coaxial enclosure

165114, 165154, F28D 710

Patent

active

050335413

ABSTRACT:
A double pass tandem cooling aerosol condenser apparatus for receiving aerosol from a liquid solution for a specimen sample which has been prepared for injection into an inductively coupled plasma associated with an emission spectra or mass spectrometer comprises inner and outer compartments for circulating a coolant therethrough. The aerosol, comprising solvent and analyte particles, is passed through compartments of the condenser which are interposed between the inner and outer coolant compartment. The temperature of the aerosol compartment is adjusted and controlled such that the solvent particles, which would otherwise quench the inductively coupled plasma, are condensed and stripped from the aerosol leaving a relatively stable, dry aerosol containing the desolvated analyte particles for spectrometric analysis.

REFERENCES:
patent: 153764 (1874-08-01), Frykberg
patent: 1439274 (1922-12-01), Stalmann
patent: 2218097 (1940-10-01), Rhodes
patent: 2372079 (1945-03-01), Gunter
patent: 2425669 (1947-08-01), Brock
patent: 4109863 (1978-08-01), Olson et al.
patent: 4575609 (1986-03-01), Fassel et al.
patent: 4586368 (1986-05-01), Rice et al.
"Ultrasonic Nebulization of Liq. Samp. for Analytical Induct. Coupled Plasma-Atomic Spectroscopy: an Update", V. Fassel et al.; Spectrochim. Acta; 41B (1986).

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