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copper(ii) sulfate, also known as cupric sulfate or copper sulphate, is the chemical compound with the chemical formula cuso4. this salt exists as a series of compounds that differ in their degree of hydration. the anhydrous form is a pale green or gray-white powder, whereas the pentahydrate (cuso4·5h2o), the most commonly encountered salt, is bright blue. copper sulfate exothermically dissolves in water to give the aquo complex [cu(h2o)6]2+, which has octahedral molecular geometry and is paramagnetic. other names for copper(ii) sulfate are "blue vitriol" and "bluestone".
technical data:
item |
index |
|
cuso4·5h2o (%) |
≥98 |
≥96 |
cu (%) |
≥25.06 |
≥24.5 |
water insoluble (%) |
≤0.2 |
≤0.2 |
pb (%) |
≤10 ppm |
≤10 ppm |
as (%) |
≤4 ppm |
≤4 ppm |
fineness |
20-40 mesh ≥95% passing rate 40-80 mesh ≥95% passing rate ≥80 mesh ≥95% passing rate |
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