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  2. Iron(II) sulfate - Wikipedia

    en.wikipedia.org/wiki/Iron(II)_sulfate

    Iron(II) sulfate outside a titanium dioxide factory in Kaanaa, Pori, Finland. Upon dissolving in water, ferrous sulfates form the metal aquo complex [Fe(H 2 O) 6] 2+, which is an almost colorless, paramagnetic ion. On heating, iron(II) sulfate first loses its water of crystallization and the original green crystals are converted into a white ...

  3. Ammonium iron(II) sulfate - Wikipedia

    en.wikipedia.org/wiki/Ammonium_iron(II)_sulfate

    Ammonium iron(II) sulfate, or Mohr's salt, is the inorganic compound with the formula (NH 4) 2 SO 4 ·Fe(SO 4)·6H 2 O. Containing two different cations, Fe 2+ and NH + 4, it is classified as a double salt of ferrous sulfate and ammonium sulfate. It is a common laboratory reagent because it is readily crystallized, and crystals resist oxidation ...

  4. Iron preparation - Wikipedia

    en.wikipedia.org/wiki/Iron_preparation

    Examples of iron preparation include ferrous sulfate, ferrous gluconate, and ferrous fumarate. It can be administered orally, and by intravenous injection, or intramuscular injection. [1] Early Iron Supplement for Anemia. Iron preparation stimulates red blood cell production.

  5. Nitrate test - Wikipedia

    en.wikipedia.org/wiki/Nitrate_test

    The overall reaction is the reduction of the nitrate ion to nitric oxide by iron(II), which is oxidised to iron(III), followed by the formation of nitrosyl ferrous sulfate between the nitric oxide and the remaining iron(II), where nitric oxide is reduced to NO −. [5] 2HNO 3 + 3H 2 SO 4 + 6FeSO 4 → 3Fe 2 (SO 4) 3 + 2NO + 4H 2 O

  6. Iron(II) sulfide - Wikipedia

    en.wikipedia.org/wiki/Iron(II)_sulfide

    Pyrrhotite is a waste product of the Desulfovibrio bacteria, a sulfate reducing bacteria. When eggs are cooked for a long time, the yolk's surface may turn green. This color change is due to iron(II) sulfide, which forms as iron from the yolk reacts with hydrogen sulfide released from the egg white by the heat. [3]

  7. Copperas works - Wikipedia

    en.wikipedia.org/wiki/Copperas_works

    Copperas house, Limb Valley. Copperas (iron(II) sulfate) was manufactured here from the pyritic Ringinglow coal seam, mined nearby. The copperas solution was used in the leather tanning industry. Copperas works are manufactories where copperas (iron(II) sulfate) is produced from pyrite, often obtained as a byproduct during coal mining, and iron

  8. Iron compounds - Wikipedia

    en.wikipedia.org/wiki/Iron_compounds

    The iron compounds produced on the largest scale in industry are iron(II) sulfate (FeSO 4 ·7H 2 O) and iron(III) chloride (FeCl 3). The former is one of the most readily available sources of iron(II), but is less stable to aerial oxidation than Mohr's salt ((NH 4) 2 Fe(SO 4) 2 ·6H 2 O). Iron(II) compounds tend to be oxidized to iron(III ...

  9. Iron(III) sulfate - Wikipedia

    en.wikipedia.org/wiki/Iron(III)_sulfate

    Ferric sulfate solutions are usually generated from iron wastes. The actual identity of the iron species is often vague, but many applications do not demand high purity materials. It is produced on a large scale by treating sulfuric acid, a hot solution of ferrous sulfate , and an oxidizing agent .