An astringent mineral salt, typically occurring as colourless or whitish crystals, that is used as a mordant for dyeing, in tanning, for sizing…

‘Foam of nitre’; a name formerly applied to the sulphur salts of various alkalis and earths.

With distinguishing epithets. With adjectives of colour. blue vitriol, green vitriol, red vitriol, white vitriol, sulphate of copper, iron, cobalt…

A combined oxide and sulphate.

A salt of hyposulphuric acid. (Now called a dithionate (dithionates n. at dithionic, adj.).)

an old name for a salt produced by the combination of a ‘sulphur acid’ with another metallic base.

a hydrated double sulphate of potassium and aluminium.

Also more fully, hepar sulphurisor hepar sulphur. (H. s. calcareum) The name commonly given in homœopathy to calcium sulphide.

Hydrous chlorosulphate of magnesium and potassium, found esp. in Germany and Russia, largely used as a fertilizer.

Native potash alum.

A compound formed from three molecules of sulphuric acid, H2SO4, by replacement of the hydrogen by a metal or radical, and thus containing three…

a salt of trisulphonic acid.

attributive. thalline periodide n. see quots. thalline sulphate n. see quots. thalline urine n. urine affected by the use of thalline.