Combustion system

Chemistry: physical processes – Physical processes – Crystallization

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23253PC, 431 9, G01N 3112

Patent

active

039855058

ABSTRACT:
A combustion system includes a combustion furnace for combusting a solid or liquid specimen and converting it to a gaseous mixture. The furnace is positioned in a circulatory loop in which oxygen is introduced to complete the combustion of the specimen into a gaseous mixture which is circulated through the furnace to fully oxidize the specimen and maintain the specimen gas concentration level constant during a measurement interval. To facilitate circulation of the gases in the loop, a circulation pump is employed in the flow path. In one embodiment, a detector is included in the loop while in alternative embodiments, an aliquot of the specimen gases is removed for analysis by a detector outside of the loop.

REFERENCES:
patent: 3647385 (1972-03-01), Stephens
patent: 3649202 (1972-03-01), Bajek et al.
patent: 3716334 (1973-02-01), Pont
patent: 3810738 (1974-05-01), Fleischmann
patent: 3854877 (1974-12-01), Csaky et al.
Graff et al., Anal. Chem. 24, 878 (1952).

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