Assertion: hydrazine | /r/HasProperty | determined
Facets:
value: by forming the derivative 2,4-dinitrophenylhydrazine
type: MANNER
value: spectrophotometrically
type: MANNER
Source sentences:
text: Hydrazine is determined spectrophotometrically by forming the derivative 2,4-dinitrophenylhydrazine from 2,4-dinitrochlorobenzene.