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What (who) is eudiometer - definition
GRADUATED GLASS TUBE USED TO MEASURE THE CHANGE IN VOLUME OF A GAS MIXTURE
Eudiometry
![J.H. de Magellan]], [[Teylers Museum]]](https://commons.wikimedia.org/wiki/Special:FilePath/Teylers Oval room - eudiometer naar J.H. Magellan.jpg?width=200 "J.H. de Magellan]], [[Teylers Museum]]")
Eudiometer
A graduated glass tube for measuring the volumes of gases. In its
simplest form it is simply a cylindrical tube, with a scale etched or
engraved upon it, closed at one end and open at the other. The gas to be
measured is collected in it over a liquid, generally water, dilute
sulphuric acid in the gas voltameter, or mercury. Many different shapes
have been given them by Hoffmann, Ure, Bunsen and others.
eudiometer
[?ju:d?'?m?t?]
¦ noun Chemistry a graduated glass tube in which mixtures of gases can be made to react by an electric spark, used to measure changes in volume during chemical reactions.
Derivatives
eudiometric adjective
eudiometrical adjective
eudiometry noun
Origin
C18 (denoting an instrument used to measure amounts of oxygen, thought to be greater in fine weather): from Gk eudios 'clear, fine' (weather), from eu 'well' + dios 'heavenly'.
Eudiometer
·noun An instrument for the volumetric measurement of gases;
- so named because frequently used to determine the purity of the air.
Wikipedia
Eudiometer
A eudiometer is a laboratory device that measures the change in volume of a gas mixture following a physical or chemical change.
