Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Means for analyzing liquid or solid sample
Patent
1993-05-07
1994-07-12
Warden, Robert J.
Chemical apparatus and process disinfecting, deodorizing, preser
Analyzer, structured indicator, or manipulative laboratory...
Means for analyzing liquid or solid sample
422307, 432210, 432225, 436160, 436155, G01N 3112
Patent
active
053286634
ABSTRACT:
A device for trapping reaction products and especially for generating and trapping decomposition products from thermal decomposition processes, including combustion, is described. Decomposition products of a solid sample are formed at the top end of an externally heated vertical decomposition tube and are channeled downward through a region of decreased diameter in which a trapping device is positioned. The trapping device consists of two vertical concentric tubes of which the top end of the inner tube is slightly lower than that of the outer tube. Water flows upward between the two concentric tubes, traps the decomposition products at the top, and drops down through the inner concentric tube. Products contained in the water are collected externally from the lower end of the trapping device for analysis. The insoluble gaseous products are collected by an external vacuum system after passing through the stream of water.
REFERENCES:
patent: 3905770 (1975-09-01), Mossberg
patent: 4352659 (1982-10-01), Salmela et al.
patent: 4401763 (1983-08-01), Itoh
patent: 4914037 (1990-04-01), Forster et al.
patent: 5087422 (1992-02-01), Friese et al.
patent: 5174746 (1992-12-01), Kemori
DIN 53436, Teil, 1981.
General Electric Company
Pittman William H.
Tran Hien
Warden Robert J.
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