Iron(III) sulfate (or ferric sulfate), is the chemical compound with the formula Fe2(SO4)3, the sulfate of trivalent iron.

Magnetic electronic pieces and ferrous paper.

Some samples may also contain a sulfate group.

Outside chemistry, ferrous is an adjective used to indicate the presence of iron.

Oxidation of hydrogen sulfide, sulfide, and elemental sulfur (S) to sulfate (SO42 ).

Osarizawaite is a greenish yellow sulfate mineral with the chemical formula PbCuAl2(SO4)2(OH)6.

Aluminium sulfate (Al2(SO4)3 (H2O)18) is produced on the annual scale of several billions of kilograms.

Compass correction Like any magnetic device, compasses are affected by nearby ferrous materials, as well as by strong local electromagnetic forces.

Magnesium sulfate (or magnesium sulphate) is an inorganic salt (chemical compound) containing magnesium, sulfur and oxygen, with the formula MgSO4.

Waste contains many resources with high value, the most notable of which are non ferrous metals such as aluminium cans and scrap metal.

Sulfate aerosols have declined significantly since 1970 with the Clean Air Act in the United States and similar policies in Europe.

One of the most common alternative treatments is berberine sulfate (found in Oregon grape root, goldenseal, yellowroot, and various other plants).

Aluminium ammonium sulfate, which is also called ammonium alum, (NH4)Al(SO4)2 12H2O, is used as a mordant and in leather tanning.

Outside of red blood cells, good ferrous iron the only oxygen carrying form is oxidized uncontrollably to form the bad ferric and ugly ferryl forms of hemoglobin.

Where limestone has been used, such as at Cwm Rheidol in mid Wales, the positive impact has been much less than anticipated because of the creation of an insoluble calcium sulfate layer on the limestone chips, binding the material and preventing further neutralization.