An Orsat gas analyser is a piece of laboratory equipment used to analyse a gas sample typically fossil fuel flue gas for its oxygen , carbon monoxide and carbon dioxide content. Although largely replaced by instrumental techniques, the Orsat remains a reliable method of measurement and is relatively simple to use. The apparatus consists of an intake valve which feeds into a calibrated water or glycerin jacketed gas burette , this burette is then connected by tubing to two or more absorption pipettes containing chemical solutions that absorb the gases it is being used to measure. The intake and each of the absorption pipettes are valved with stopcocks to allow the movement of gas through the apparatus to be precisely controlled. For safety and portability, the apparatus is usually encased in a wooden box with a handle. Any left over gas is assumed to be nitrogen, though other absorbents or vessels can be used to isolate additional gases.
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The whole CO2 in the sample is absorbed. Then their respective valves are closed. You just clipped your first slide! Clipping is a handy way to collect important slides you want to go back to later. Now customize the name of a clipboard to store your clips. Visibility Others can see my Clipboard. Cancel Save.
Orsat gas analyser