Assertion: oxalic acid | /r/HasProperty | h c o
Facets:
Source sentences:
text: Heretofore, in the manufacture of oxalic acid (H C O,), a first step consists of pro ducing (as an intermediate body) sodium oxalate-or potassium oxalate, or various nnxtures of the two, by the reaction of sodium (or potassium) hydrate upon various materials (such, for'instance, assawdust or the like)