Assertion: methyl violet | /r/ObjectUse | used as stain
Facets:
value: by victor andré cornil
type: OTHER
value: in 1875
type: TEMPORAL
Source sentences:
text: Grübler's gentian violet was probably very similar, if not identical, to Lauth's methyl violet, which had been used as a stain by Victor André Cornil in 1875.