Rare-earth impurities are separated by increasing the pH in sulfate solution.

In the laboratory, it can also be prepared by adding solid zinc to a copper(II) sulfate solution:

It seems only Cu+2 and Cu metal can exist in sulfate solution.

Severe hypomagnesemia is often treated medically with intravenous or intramuscular magnesium sulfate solution, which is completely bioavailable, and effective.

Woodworkers use ferrous sulfate solutions to color maple wood a silvery hue.

However, Monsel's solution is an iron (sub)sulfate solution, contrary to popular misconception-which contains no lead.

Gypsum is deposited from lake and sea water, as well as in hot springs, from volcanic vapors, and sulfate solutions in veins.

Ferric subsulfate solution is also known as basic ferric sulfate solution or Monsel's solution.

The formation of campigliaite is related to the oxidation of sulfide minerals to form sulfate solutions with ilvaite associated with the presence of manganese.

For example, in the reaction between iron and copper(II) sulfate solution: