Assertion: ethylene glycol | /r/HasProperty | obtained in final distillation step
Facets:
value: ultimately
type: MANNER
Source sentences:
text: The presence of inorganic salts in the ethylene glycol during the dehydration and distillation steps for reasons not adequately known at present is believed a determining factor as to the degree of purity of the ethylene glycol ultimately obtained in the final distillation step.