Assertion: potassium iodide | /r/CapableOf | decrease the vapour pressure of iodine
Facets:
value: considerably
type: MANNER
Source sentences:
text: For this reason, iodine is best weighed in a stoppered bottle; for the preparation of an aqueous solution, the bottle may contain a solution of potassium iodide, which considerably decreases the vapour pressure of iodine; a brown complex (triiodide) is readily formed: