Gas syringe

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A gas syringe showing its components separate and together
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A gas syringe showing its components separate and together

A gas syringe also known as "glass collecting bottle", is a piece of laboratory glassware used to draw a volume of a gas from a beaker or other closed system, or measure the volume of gas given off in a reaction. It is often used to remove gaseous products from a reaction. The syringe will have a hermetic seal around the top and sides, and moves more freely than a normal syringe. Most gas syringes can measure up to 100 cm3.

Note: When using a gas syringe you must not get it wet. Dry off the inside tube with a paper towel so that the movement of the syringe is smoother and more reliable when gasses are being measured.

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