a trough filled with liquid, especially water, for collecting gases in bell jars or the like by displacement.
A pneumatic trough is a piece of laboratory apparatus used for collecting gases,
such as hydrogen, oxygen, and nitrogen. Pneumatic troughs require a liquid ...
Dec 18, 2012 ... Although it sounds like some kind of euphemism from Brave New World, a "
pneumatic trough" is actually a very handy piece of classic ...
Stainless steel pneumatic troughs are resistant to corrosion. Troughs are
provided with an overflow outlet and removable platform and are tapered to allow
Replace metal-type troughs with the lightweight, corrosion-proof and quiet
Thermo Scientific™ Nalgene™ Polypropylene Pneumatic Trough. This trough ...
Pneumatic trough definition, a trough filled with liquid, especially water, for
collecting gases in bell jars or the like by displacement. See more.
Jul 2, 2012 ... In this activity, learners build a "pneumatic trough," a laboratory apparatus used
for collecting pure gas samples over water. After building this ...
History of the Pneumatic Trough. By John Parascandola and Aaron J. Ihde*.
ALTHOUGH THE SOLID and liquid states of matter are the more tangible, it was.
(Chemistry) chem a shallow dishlike vessel filled with a liquid, usually water, and
used in collecting gases by displacement of liquid from a filled jar held with its ...