Recording instrument to measure microbal gas production

Details Recording instrument to measure microbal gas production Recording instrument to measure microbal gas production

1979-10-01

1981-06-02

Yasich, Daniel M.

Measuring and testing

Gas content of a liquid or a solid

By vibration

73149, 346 72, 435 4, C12Q 100, G01D 900, G01N 700

Patent

active

042703816

ABSTRACT:
An instrument to accept multiple microbal samples and measure the gaseous products produced thereby as a function of time. Each sample module provides a closed reactional vessel communicating to a liquid reservoir from which displaced liquid passes to a vertical measuring column wherein it activates a float which moves a marker responsive to volume of gas produced in the reaction vessel. Plural sample modules are combined so that markers of all move in a parallel direction upon a recording sheet moved perpendicularly thereto to provide a record of gas formation as a function of time. The instrument is particularly adapted to measure the activity of a yeast activated fermentation process as in bread making.

REFERENCES:
patent: 890844 (1908-06-01), Connet
patent: 2038044 (1936-04-01), Heald
patent: 2768523 (1956-10-01), Baker
patent: 3255585 (1965-12-01), Wohnoutka
patent: 3387487 (1968-06-01), Hodges, Jr.
patent: 3487682 (1970-01-01), Whitehead, Jr.
patent: 3864086 (1975-02-01), Geist et al.

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