Chemistry: physical processes – Physical processes – Crystallization
Patent
1973-12-10
1976-05-18
Wolk, Morris O.
Chemistry: physical processes
Physical processes
Crystallization
23230M, 23230PC, 23253PC, 431326, G01N 3112, F23D 340
Patent
active
039574415
ABSTRACT:
A combustion tube for preparing samples for analysis of pollution materials, such as mercury and lead, or isotopes such as tritium and carbon 14, having at least one group of oxygen-supplying tubes disposed downstream in the tube relative to an organic sample and the direction of the oxygen flow. The combustion tube is surrounded by coiled heating wire to heat the interior of the tube to cause combustion of the sample. A gas inlet is provided upstream of the sample for the injection of oxygen, nitrogen, or the like, and a gas outlet is provided at the extreme downstream end of the tube for the exhaustion of gases contained in the tube. Complete combustion of the sample is assured by providing capillary apertures in the oxygen-supplying tubes for the oxygen to exit therefrom in a fine stream.
REFERENCES:
patent: 2880071 (1959-03-01), Gelman
patent: 3205045 (1965-09-01), Von Lossberg
patent: 3235336 (1966-02-01), Matsuyama
patent: 3529937 (1970-09-01), Ihara et al.
patent: 3544277 (1970-12-01), Lysyj et al.
patent: 3677714 (1972-07-01), Ledgett
patent: 3826614 (1974-07-01), Capuano
Hollander Barry I.
Wolk Morris O.
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