ferrous sulphate

British  

noun

1. Systematic name: iron (II) sulphate.  Also called: copperas.   green vitriol.  an iron salt with a saline taste, usually obtained as greenish crystals of the heptahydrate, which are converted to the white monohydrate above 100°C: used in inks, tanning, water purification, and in the treatment of anaemia. Formula: FeSO 4

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Example Sentences

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ferrous sulphate

Tea and coffee were adulterated with sand, chicory, and spent grounds treated in ferrous sulphate and sheep’s dung.

From The Guardian ● Apr. 18, 2016

The scientists dissolved a little ferrous sulphate and carbon dioxide in pure water, enclosed it in a specially designed glass cell, and exposed it to a high-energy helium ion beam from a cyclotron.

From Time Magazine Archive

The specific gravity of gold obtained by precipitation from solution by ferrous sulphate is from 19.55 to 20.72.

From Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 2 "Gloss" to "Gordon, Charles George" by Various

No pill made essentially of aloes and ferrous sulphate, said the government experts, could do these things.

From Old English Patent Medicines in America by Griffenhagen, George B.

What change in color did you observe when the ferrous sulphate solution was added to the tea infusion?

From Human Foods and Their Nutritive Value by Snyder, Harry