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copper sulphate
(redirected from cupric sulfate)

    Also found in: Dictionary/thesaurus, Medical, Encyclopedia, Wikipedia 0.02 sec.

copper(II) sulphate

Substance usually found as a blue, crystalline, hydrated salt CuSO4.5H2O (also called blue vitriol). It is made from the action of dilute sulphuric acid on copper(II) oxide, hydroxide, or carbonate.

CuO + H2SO4 + 4H2O → CuSO4.5H2O

When the hydrated salt is heated gently it loses its water of crystallization and the blue crystals turn to a white powder. The reverse reaction is used as a chemical test for water.

CuSO4.5H2O ⇌ CuSO4 + 5H2O



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? Mentioned in ? References in periodicals archive
 
The substrate is first "derivitized" with a sub-mono-layer coverage of catalyst and then transferred for electroplating in a cupric sulfate electrolyte containing an inhibitor.
Superconformal electrodeposition using derivitized substrates. ... by Journal of Research of the National Institute of Standards and Technology
Recently NIST researchers have demonstrated superconformal electrodeposition of copper in 500 nm deep trenches ranging from 500 nm to 90 nm in width using an acid cupric sulfate electrolyte containing chloride (Cl), polyethylene glycol (PEG), and 3-mercapto-1-propanesulfonate (MPSA).
NIST DEVELOPS TOOL FOR UNDERSTANDING ROLES OF ADDITIVES IN ... by Journal of Research of the National Institute of Standards and Technology
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