Assertion: argon | /r/CapableOf | trap a mixture of atmospheric air
Facets:
value: with additional oxygen
type: OTHER
Source sentences:
text: They trapped a mixture of atmospheric air with additional oxygen in a test-tube (A) upside-down over a large quantity of dilute alkali solution (B), which in Canvendish's original experiment was potassium hydroxide, and conveyed a current through wires insulated by U-shaped glass tubes (CC) which sealed around the platinum wire electrodes, leaving the ends of the wires (DD) exposed to the gas and insulated from the alkali solution.