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

Or Gutzkow’s method of precipitating the metal with ferrous sulphate may be employed.

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

The solution of ferrous sulphate was made by dissolving 5.01 grams of iron wire in 100 c.c. of dilute sulphuric acid and diluting to 1 litre.

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

Fifty c.c. of a solution of ferrous sulphate which required 49.7 c.c. of "permanganate," required for re-titration, after reduction with zinc, 49.7 c.c.

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