= Fisher-Porter tube
{wiki=Fisher-Porter_tube}
A Fisher-Porter tube is a type of laboratory apparatus used to measure the concentration of gases, specifically oxygen, in a gas mixture. It operates on the principle of gas absorption, where a gas flows through a liquid and allows for the measurement of the gas's partial pressure. The device utilizes a liquid, often containing a chemical reagent that reacts with oxygen, to help determine the concentration of oxygen in the gas stream.
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