Separation and analysis of particle coatings

Details Separation and analysis of particle coatings Separation and analysis of particle coatings

1976-11-05

1979-01-30

McGraw, Vincent P.

Optics: measuring and testing

With sample preparation

23230EP, 55 17, 356316, G01N 100, G01J 300

Patent

active

041369513

ABSTRACT:
A method of separating chemical coatings from particles is disclosed which may be used in the aerial prospecting for minerals or the determination of the chemical constituents of a dried liquid coating.
The coating is volatized and ionized by passing the particle and its coating into a plasma. Separation is achieved by passing the particle through and beyond the plasma. The coating constituents may be spectroscopically analyzed by passing the coating constituents directly into a second plasma and viewing the light emitted therefrom.

REFERENCES:
patent: 3759617 (1973-09-01), Barringer

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