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The glowing splint test is a test for an oxidising gas, such as oxygen. [4] In this test, a splint is lit, allowed to burn for a few seconds, then blown out by mouth or by shaking. Whilst the ember at the tip is still glowing hot, the splint is introduced to the gas sample that has been trapped in a vessel. [4]
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Four items are required for gas collection with a pneumatic trough: [2] The trough itself, which is a large glass dish or a similar container. A gas bottle (or bulb), to hold the gas collected. A way to support the gas bottle or bulb, such as a beehive shelf or a hanger (as with Stephen Hales' design). A liquid in the trough.
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A gas bubbler is a piece of laboratory glassware which consists of a glass bulb filled with a small amount of fluid—usually mineral or silicone oil, less commonly mercury. The inlet to the bulb is connected to a ground glass joint, while the outlet is vented to the air. Gas bubblers are used to exclude air from a reaction or a system.
L. Laboratory automation; Laboratory centrifuge; Laboratory drying rack; Laboratory informatics; Laboratory oven; Laboratory rubber stopper; Laboratory sample tube
The gas in a glovebox is pumped through a series of treatment devices which remove solvents, water and oxygen from the gas. Copper metal (or some other finely divided metal) is commonly used to remove oxygen, this oxygen removing column is normally regenerated by passing a hydrogen/nitrogen mixture through it while it is heated: the water formed is passed out of the box with the excess ...
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