What is ferric oxide? Fe3O4is the only iron compound that can be magnetized at the middle school stage. Fe3O4 contains Fe and O, and the X-ray diffraction experiment shows that Fe3O4 has a trans spinel structure, and there is no iron metal ferrite ion FeO ∈ in the crystal ². Iron tetroxide, also known as magnetic iron oxide, black iron oxide, magnet, magnet, magnet, and magnetite, is a natural mineral of magnetite. Iron in iron tetroxide has two kinds of valence: aa trans spinel structure, namely [Fe Ⅲ] t [Fe Ⅲ Fe Ⅱ] oO ₄, and oxygen is the most closely stacked cube. In addition, iron tetroxide is also a conductor because, in magnetite, Fe and Fe are arranged in disorder in an octahedron position; electrons can transfer rapidly between the two oxidation states of iron, so ferric oxide solid has excellent conductivity. It can not be read as "ferrous metaferrite" or "ferrous metaferrite" Fe (FeO2) 2.
Production method of ferric oxide Put high-purity micro powder α- Fe2O3 is put into the disk, and the powder layer should not be too thick. After the disk is put into the reaction tube, high-purity nitrogen is introduced to completely replace the air. Then, water-saturated hydrogen is slowly delivered through the gas washer. The heating temperature is 300~400 ℃ (such as 330 ℃). It is appropriate to confirm that the reaction is completed (usually 1~3h), cool down, stop sending hydrogen, and take out the sample after nitrogen replacement. FeO will be generated if water vapor is insufficient, the heating temperature is too high, or the reduction is excessive. Therefore, it must be noted that increasing the temperature of the gas washer can increase the amount of water vapor (40~60 ℃ is appropriate) α- FeO (OH) as the starting material is obtained by heating and dehydration α- Fe2O3; use this α- Fe2O3 can be used to make needle-like Fe3O4 particles, which is used as the recording medium of black tape.
Use of ferric oxide Fe3O4 is a commonly used magnetic material. Specially made pure Fe3O4 is used as the raw material for audio tapes and telecommunications equipment. Natural magnetite is the raw material for iron smelting used to make primers and topcoats. Fe3O4 is the main raw material for producing iron catalysts (a catalyst). It has great hardness and can be used as an abrasive. It has been widely used in automotive braking fields, such as brake pads, Brake shoes, etc. Fe3O4 has been recognized in the field of welding materials in China. Its use in the production of welding electrodes and welding wires is still in its infancy, and the market prospect is very broad. Fe3O4 has shown good performance in sewage treatment because of its large proportion and strong magnetism. Fe3O4 can also be used as a pigment and polishing agent. We can also use some chemical reactions, such as the use of sodium nitrite, etc., to make the steel surface generate a layer of dense ferric oxide, which is used to prevent or slow down the corrosion of steel, such as the blueing and blackening of guns, saw blades and other surfaces, commonly known as "baking blue." Make special electrodes.
Price of ferric oxide Ferric oxide particle size and purity will affect the product's Price, and the purchase volume can also affect the cost of ferric oxide. A large amount of large amount will be lower. The Price of ferric oxide can be found on our company's official website.
Ferric oxide supplier Luoyang Tongrun Nano Technology Co. Ltd. (TRUNNANO) Luoyang City, Henan Province, China, is a reliable and high-quality global chemical material supplier and manufacturer. It has more than 12 years of experience providing ultra-high quality chemicals and nanotechnology materials, including ferric oxide, nitride powder, graphite powder, sulfide powder, and 3D printing powder. If you are looking for high-quality and cost-effective ferric oxide, you are welcome tocontact us or inquire at any time
