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

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

In one experiment 50 c.c. of the ferrous sulphate solution were titrated with "permanganate"; 49.3 c.c. of the last-mentioned solution were required.

From A Text-book of Assaying: For the Use of Those Connected with Mines. by Beringer, Cornelius

Add 1 c.c. of a one per thousand aqueous solution of ferrous sulphate.

From The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. by Eyre, J. W. H. (John William Henry)

It forms dark red crystals isomorphous with ferrous sulphate, and readily soluble in water.

From Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 5 "Clervaux" to "Cockade" by Various