Optics: measuring and testing – By dispersed light spectroscopy – With sample excitation
Patent
1978-11-28
1982-07-06
Evans, F. L.
Optics: measuring and testing
By dispersed light spectroscopy
With sample excitation
23230EP, 73 23, 356 36, 356316, G01N 2162, G01N 3112, G01N 3324
Patent
active
043380298
ABSTRACT:
A method and apparatus for mineral, in particular hydrocarbon exploration in which determination is made of whether substances indicative of a deposit are present in the atmosphere in the form of charges, molecules or clumps of molecules. Intaken air is purged of particles and only small naturally charged molecules or clumps are transferred to, for instance, an inert gas for spectroscopic examination.
REFERENCES:
patent: 3759617 (1973-09-01), Barringer
patent: 3868222 (1975-02-01), Barringer
patent: 3970428 (1976-07-01), Barringer
patent: 3998734 (1976-12-01), Barringer
patent: 4023398 (1977-05-01), French et al.
patent: 4056969 (1977-11-01), Barringer
patent: 4137750 (1979-02-01), French et al.
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