Assertion: green vitriol | /r/HasProperty | iron(iisulfate
Facets:
Source sentences:
text: It was historically called acidum salis and spirits of salt because it was produced from rock salt and "green vitriol" (Iron(II) sulfate) (by Basilius Valentinus in the 15th century) and later from the chemically similar common salt and sulfuric acid (by Johann Rudolph Glauber in the 17th century).
text: green copperas, yet another name for green vitriol ( iron sulphate ).
text: The preparation of sulfuric acid ('oil of vitriol') by the distillation of green vitriol (Iron(II) sulfate) has been known for at least 700 years.