Ferrate loosely refers to a material that can be viewed as containing anionic iron complexes. Examples include tetrachloroferrate ([FeCl4]2−), oxyanions...

Ferrate(VI) is the inorganic anion with the chemical formula [FeO4]2−. It is photosensitive, contributes a pale violet colour to compounds and solutions...

Sodium ferrate is a chemical compound with the formula Na2FeO4. It is a sodium salt of ferric acid that is very difficult to obtain. In most iron compounds...

Potassium ferrate is the chemical compound with the formula K2FeO4. This purple salt is paramagnetic, and is a rare example of an iron(VI) compound. In...

ferrioxalate, also called potassium trisoxalatoferrate or potassium tris(oxalato)ferrate(III) is a chemical compound with the formula K3[Fe(C2O4)3]. It often occurs...

Barium ferrate is the chemical compound of formula BaFeO4. This is a rare compound containing iron in the +6 oxidation state. The ferrate(VI) ion has two...

le strade ferrate romane (Roman Railways, SFR) was an Italian railway company from 1865 to 1885. The Società Generale delle Strade Ferrate Romane (Italian:...

The Società per le Strade Ferrate del Mediterraneo (Mediterranean Railway Company) was an Italian railway company from 1885 to 1905. It was established...

The Società per le Strade Ferrate Meridionali (Italian: Company for the Southern Railways, SFM) was an Italian railway company established in 1862. In...

batteries feature cathodes composed of ferrate salts, commonly potassium ferrate (K 2FeO 4) or barium ferrate (BaFeO 4). One attraction to the proposed...