Assertion: oxalic acid | /r/ObjectUse | used as a purifying agent
Facets:
value: widely
type: DEGREE
value: in pharmaceutical industries
type: LOCATION
Source sentences:
text: Oxalic acid is a crystalline toxic organic compound widely used as a purifying agent in pharmaceutical industries, precipitating agent in rare earth metal processing and also serve as a bleaching agent in textile and wood industrials.