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What is Fe3O4 Powder?


How do you define it?



Fe3O4 Pulp



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Fe3O4 (inorganic substance) has the chemical composition Fe3O4. Because it’s magnetic, black, this substance is sometimes called magnetic iron dioxide. It is not considered ferrous metaferrite [FeO2(2)2] nor can it possibly be classified as iron oxide and ferrous oxide mixtures (Fe2O3). But it could be roughly considered ferrous oxide. A compound made up of iron oxide and iron dioxide (FeO*Fe2O3). This substance does not dissolve in water or alkaline solution, and is also insoluble in organic solvents (ether, ethanol). Insoluble in acid solutions, natural ferricoxide is not soluble. However, it can be easily converted to iron oxide (Fe2O3) when the environment is humid. It’s used mostly as a colorant and polishing agent.


Fe3O4 powder’s key features


Black Fe3O4 can be described as a mixed valence oxide of iron that has a melting temperature of 1597degC, and a density 5.18g/cm3. It is not soluble or soluble when dissolved in water. It can be found as magnetite in nature.

Ferromagnetic or ferrimagnetic compounds undergo a second-order Phase Transition above the Curie Temperature and then transform into paramagnetic substance. Curie temperature is 585 for Fe3O4. Ferric oxide is formed when iron wire burns in oxygen. Comparing the mole standard of iron oxide in order to create Gibbs energy free, it was found that Fe3O4 has a greater thermodynamic stability. The product therefore is Fe3O4. Iron oxides form when iron is in direct contact with the air. This is because the chemical compositions of oxide films are not always uniform. Three oxide films can cover a low-carbon piece of steel: FeO on one side, Fe2O3 on the other, and Fe3O4 in the middle. The oxide film may consist of mixtures of saturated solid solutions and the three oxides. The oxide film’s thickness can vary depending upon the environmental conditions that are used during oxidation. In dry, room temperatures, the thicknesses of oxide films on iron relatively pure in dry air do not exceed 20 angstroms. However, in humid atmospheres, it is possible to see rust spots. Deposition of oxides takes place in layers. The side closest to the metal is an dense amorphous andhydrous layer. While the other side to the air is thicker porous hydration, it is not difficult to see. Fe3O4 or hydrogen are formed by iron reacting with watervapor. Fe3O4 exhibits anti-corrosion properties. To bluish steel parts, also known as baking or bluing, you use an alkaline oxidizing solution. This will form a Fe3O4 blue-black/dark blue film. It is used for aesthetics and corrosion resistance.


Iron Oxide Properties

Other Titles
Magnet black, fenosoferric or ferro ferric dioxide

ferroferric dioxide, Fe3O4

1317-61-9

Compound Formula
Fe3O4

Molecular Weight
233.53

Appearance
Black Powder

Melting Point
1597 degC

Boiling Point
N/A

Density
4.8-5.1 g/cm3

Solubility of H2O
N/A

Exact
231.784471


Iron Oxide Fe3O4 Powder CAS 1317-61-9


Fe3O4’s applications


1. A common magnetic material is ferric oxide.

2. As a raw material, special-made pure ferric dioxide is used to make recording tapes and other telecommunication equipment.

3. This is used for topcoats or primers.

4. The main raw material to produce iron catalyst (a catalyst) is ferric oxide.

5. In the area of domestic welding, ferric oxide was recognized. The production of weld electrodes and wires, however, is in its early stages. This market is huge.

6. Because of its high specific gravity, strong magnet properties and excellent performance in wastewater treatment, ferric oxide is a great choice.

7. Also, ferric oxide is a good pigment and polishing agent.


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