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Dialatometer measuring the change in gas volume

Dialatometer measuring the change in gas volume

T875/0712

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Credit

MARTYN F. CHILLMAID / SCIENCE PHOTO LIBRARY MARTYN F. CHILLMAID / SCIENCE PHOTO LIBRARY

Caption

Gas volume measurement. Dilatometer device measuring the change in gas volume in a sealed system. Gas is being given off by the reaction taking place in the test tube at left. This pushes the plunger in the syringe at centre. This in turn displaces the white rod. The dilatometer measures the movement of the rod and calculates the volume change needed to produce it. The results over time are then plotted on the computer screen. This device may also be used to measure the expansion of gas when it is heated.

Release details

Model release not required. Property release not required.

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