Vitae-Ore is given as consisting of ordinary sulphate of iron (green vitriol) to which a little Epsom salts has been added.
They were found to be made of green vitriol, starch and sugar.
It is usually drawn from green vitriol; that being the commonest sort.
By evaporation the green vitriol is obtained as large crystals.
The solution is then mixed with the dried clay and stirred; during the mixing a solution of green vitriol is added and mixed.
By distilling calcined ferrous sulphate (green vitriol) in earthen retorts.
This compound can be made by treating an acid solution of green vitriol with an oxidizing agent.
A substance that will very satisfactorily answer this purpose is the commercial sulphate of iron known as green vitriol.
The liquors are concentrated and the green vitriol separates from them.
green vitriol dissolved in water spontaneously lets fall a yellowish earthy sediment.
|green vitriol |
See ferrous sulfate.
|ferrous sulfate |
A bluish-green crystalline compound that is used in sewage and water treatment, and as a pigment and fertilizer. It is also used in medicine to treat iron deficiency. Also called green vitriol. Chemical formula: FeSO4·7H2O.