elemental iron (carbonyl + electrolytic + hydrogen reduced

The iron compound may be iron (II) sulfate, ammonium iron (II) sulfate, iron (II) tetrafluoroborate, ferrocene, bis(η5-pentamethylcyclopentadienyl) iron or an iron powder.

The enclosed iron component contains iron iodide (FeI2) and iron bromide (FeBr2) as iron halide (FeX2), and metallic iron (Fe).

The trivalent iron is reduced to divalent iron before a percipitation (C) of said divalent iron.

E 172 IRON OXIDES AND IRON HYDROXIDES

The metal coated on the QCM may be iron, iron alloys and/or iron oxide.

The iron oxide may be black iron oxide (Fe3O4) and/or red iron oxide (Fe2O3).

Iron powder includes iron grains which contain MnS therein.

An iron-air rechargeable battery including an iron electrode comprising carbonyl iron is also disclosed, as is an iron-air battery wherein at least one of the iron electrode and the electrolyte includes an organosulfur additive.

Iron(II)sulfate anhydrous: ≥ 350 g/kg total iron.

Iron Oxide Red: anhydrous ferric oxide, anhydrous iron (III) oxide

According to the invention, the iron compound which is to react with oxygen consists of iron sulphide.

New method for the production of raw iron or so-called metallized iron ore.

Iron Oxide Red anhydrous ferric oxide, anhydrous iron (III) oxide