Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Means for analyzing gas sample
Patent
1985-02-27
1988-07-19
Marcus, Michael S.
Chemical apparatus and process disinfecting, deodorizing, preser
Analyzer, structured indicator, or manipulative laboratory...
Means for analyzing gas sample
73 19, 422 83, 436148, G01N 702
Patent
active
047584084
ABSTRACT:
An automatic oxygen absorption measuring system has a controllable source of pressurized oxygen, a controllable venting device, and a device for indicating incremental gas volume changes connected through a controlled gas reservoir to an oxygen circulating testing section where oxygen is passed through a liquid sample at a fixed temperature. Upon the liberation of other gases than oxygen or absorption of oxygen, the gas pressure changes a liquid fluid level in the device for indicating incremental gas changes. An electronic circuit causes the venting or inputting of gas until an equilibrium pressure is obtained. Each change is noted on a recording device. The device for indicating incremental gas volume changes has two glass bulbs attached in line with a manometer filled with electrically conductive liquid fluid. Four electrical contacts placed about the bulbs indicate the level of the liquid fluid. In response to the liquid contacting these contacts, the electronic circuit operates the controllable devices to achieve an equilibrium pressure.
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Krawetz Arthur A.
Tovrog Theodore
Collier Stanton E.
Marcus Michael S.
Singer Donald J.
The United States of America as represented by the Secretary of
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