Assertion: phosgene | /r/HasProperty | separated
Facets:
value: from boron trichloride
type: OTHER
Source sentences:
text: It has been found that phosgene may be separated from boron trichloride by passing the stream of boron trichloride containing the phosgene impurity over a carbon catalyst maintained at a temperature of between about 300 and 700 C., at which temperature the phosgene will be cracked to carbon monoxide and free chlorine.