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Iron(II) sulfate
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Iron sulfate or ferrous sulfate denotes a range of salts of iron with the sulfate ion with the formula FeSO4·xH2O. The blue-green heptahydrate is the most common form of this material. The hydrated fo
Sample of iron(II) sulfate heptahydrate
Sample of iron(II) sulfate heptahydrate
Vitriol
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Vitriol is the general chemical name encompassing a class of chemical compounds comprising sulfates of certain metals – originally, iron or copper. Those mineral substances were distinguished by their
Iron(II) sulfate
…used medically to treat or prevent iron deficiency, and also for industrial applications. Known since ancient times as copperas and as green vitriol (vitriol is an archaic name for hydrated sulfate minerals). All the iron(II) sulfates dissolve in water to give the same aquo complex [Fe(H2O)6]2+, which has…
Woodcut print from the Berckwerck Buch (1580) by Georgius Agricola depicting mineral mining for vitriol
Woodcut print from the Berckwerck Buch (1580) by Georgius Agricola depicting mineral mining for vitriol
Ceramic pharmacy jar for storing blue vitriol (vitriol bleu) for medical use (Museum of the Civil Hospices of Lyon [fr]; Hôtel-Dieu de Lyon)
Ceramic pharmacy jar for storing blue vitriol (vitriol bleu) for medical use (Museum of the Civil Hospices of Lyon [fr]; Hôtel-Dieu de Lyon)
Blue vitriol monocrystal
Blue vitriol monocrystal