Electrolytic field respirometer

Details Electrolytic field respirometer Electrolytic field respirometer

1975-10-16

1977-04-05

Mack, John H.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204 1T, 204129, 204195R, 204271, 204278, C25B 102, C25B 104

Patent

active

040160653

ABSTRACT:
The disclosed electrolytic field respirometer consists of a sample vessel in which oxygen is utilized by a biological sample. Oxygen is provided on demand from an electrolytic cell which is turned on when the electrolyte level in a contact tube rises because of decreased pressure in the sample vessel due to oxygen consumption. A compensating vessel is operatively connected to the electrolytic cell to balance pressure fluctuations due to changes in the environmental pressure or temperature to which the respirometer is subjected.

REFERENCES:
patent: 1101078 (1914-06-01), Kiefer
patent: 1819917 (1931-08-01), Niederreither et al.
patent: 3045665 (1962-07-01), Moyat
patent: 3616436 (1971-10-01), Haas
patent: 3661753 (1972-05-01), Aylward et al.
patent: 3725236 (1973-04-01), Johnson, Jr.
Hesse, "A Textbook of Soil Chemical Analysis", published by John Murray, Ltd., London, (1971), pp. 226-238.
McGarity et al., "Use of an Electrolytic Respirometer . . . Soil", Canadian Jrnl. of Microbiol., vol. 4, (1958), pp. 303-316.
Oceanography International Corp., "The E/BOD Respirometer System", a descriptive brochure, Nov. 1971.

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