blue vitriol


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Related to blue vitriol: borax, Epsom salt
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Synonyms for blue vitriol

hydrated blue crystalline form of copper sulfate

References in periodicals archive ?
"We treat the vineyard with blue vitriol, as my grandfather taught me, which is why the grapes contain no chemical residue," the Chair of the Foundation for Environment and Agriculture explains.
History indicates that copper hydrometallurgy dates back approximately 2,000 years, with the Chinese recovering copper from blue vitriol as early as 150 B.C.
Fish will live in concentrated fresh sewage, but will die when the water contains one hundred thousands part of blue vitriol."(57)