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What is Nano Iron Oxide Fe3O4 Powder?

Introduction toNano Iron Oxide Powder

Iron oxide


ferric oxide

This is a type of organic substance and has the chemical formula Fe3O4. This is a magnetic black crystal, also known as iron oxide. Iron oxide is not soluble in water or alkali solution. The natural ferricoxide is not soluble in acids and easily reacts with ferric oxide (Fe2O3) under humid conditions. It’s used in paint, polish and manufacturing audiotapes and other telecommunications equipment.

Ferric oxide, which has ferromagnetic property, is also known as ferromagnetic particles. The particle radius of ferric oxide should be less than a nanometer.

Nano ferric oxide powder (Fe3O4)

Magnetic and capable of generating directional motion in an external magnetic magnetic field. Superparamagnetism can be achieved when the particle sizes are in a specified range. It is also capable of producing heat in an external alternating magnetic field. It exhibits stable chemical performances.

Physical Properties of Nanoiron Oxide Powder

Black Fe3O4 by Iron Oxide is mixed-valence, with a melting temperature of 1597 and an average density of 5.18g/cm3. It is not soluble but can be dissolved in water. It can be found as magnetite in nature.

Fe3O4 can be produced when an iron wire is heated with oxygen.

The oxide films are not evenly composed when iron is in direct contact with air. Three oxide films can cover a low-carbon piece of steel: the metal contact FeO form, while Fe2O3 contacts with air Fe2O3 and forms in the middle. Instead, the film may form from a combination of solid and saturated solutions of three different oxides.

However, oxide thickness can vary according to environmental conditions. At room temperature the oxide thickness for relatively pure iron in dry atmosphere does not exceed 20 millimeters. (1 angstrom = 0.1 millimeter). The oxide film thickness in humid conditions can rise significantly and you will see rust spots. The oxide layer stratifies at this point, consisting of an amorphous andhydrous layer close to metal, as well as a porous, hydrated layer close to air.

Fe3O4 is formed when iron reacts to water vapor.

Fe3O4 can have an anti-corrosion property, as is the blue of steel parts. The blue of steel parts refers to the use of the oxidation solution for alkali oxidizing solutions to produce a layer blue-black/dark blue Fe3O4 film over iron or steel parts. This helps to improve corrosion resistance, beauty and luster.

Nano Iron Oxide Powder Properties
Additional Names magnetic black, fenosoferric oxide, ferro ferric oxide, ferrosoferric oxide, Fe3O4
No. 1317-61-9
Formula compound Fe3O4
Molecular Weight 233.53
Appearance black powder
Melting Point 1597degC
Boiling Point N/A
Density 4.8-5.1g/cm3
Solubility in water N/A
Get the exact Mass 231.784471

Iron Oxide Fe3O4 Powder CAS 1317-61-9

Nano Iron Oxide powder preparation

A large amount of literature has emerged on nano-Fe3O4 preparation since 2013. Additionally, new methods of preparation have been developed. Preparation methods include hydrothermal (solvothermal), micro emulsification and precipitation. The focus is shifting to new methods of preparation, like the microwave method and ultrasonic method. There have been many breakthroughs in the production of Fe3O4, including new surfactants, preparation methods and systems. SDS and PEG have been used in the preparation of Fe3O4, but other surfactants such as oleic acid (CTAB), citric acid (oleic acid), etc., have also been identified. NSOCMCS has been used to modify polyacrylamide. Ethanol-water system. n-propanol-water system. propylene glycol-water system.

Nano Iron Oxide powder has many applications

It is a magnetic multifunctional material.

nano ferric oxide

This has been extensively used in the treatment of tumors, as a microwave absorption material and catalyst carrier, cell separator, magnetic recording material and magnetic fluid, medicine, among other areas. You can use it in the following:

Useful as edible melanin

It is used to analyze pigments and other chemicals.

It is used in the primary raw material of an ammonia catalyst

It is used in the production of oil color and watercolor pigments. The coating industry is responsible for manufacturing anti-rust primers and paints. Concrete floor and tile construction. The electronics and telecom industry use magnetic steel as a catalyst plate to alkaline dry cells. It is used to detect steel flaws in machine-building.

It can be used to color capsules and tablet icing.

Useful for coloring coatings and plastics with pigment.

Major supplier of Nano Iron oxide Powder

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nano iron oxide powder

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