The sulfate is the salt of the sulphuric acid H 2 S O 4. The formula of the Ion sulfate is S O 42-.
The sulfates of Potassium, Ammonium and Magnésium are used in the Engrais. Those of Zinc, Manganese, Copper and of Fer are used in microphone-fertilization, to correct the deficiencies in these elements.
The Copper sulfate is also a Fongicide and a powerful Bactéricide used in agriculture. It enters the composition of the Bouillie of Bordeaux.
Ferrous sulfate, or green vitriol, has as a FeSO4.7H2O formula. This compound is appeared as crystals pale green; it is a by-product of the iron of scouring. It is used like corrosive in Teinture, reconstituting in medicine, and for the manufacture of the Encre S and the Pigment S blacks green or purple blue red.
The zinc sulfate is also used against the proliferation of foams and lichens.
The lead sulfate is not very soluble and is responsible for the reduction in the capacity of a Lead-acid battery.
Notes and references of the article
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