There are several production methods for iron oxide
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The price of many energy and commodities like the Iron oxide Fe3O4 ,Iron oxide Fe3O4 overview,Application of iron oxide Fe3O4,Iron oxide Fe3O4 price,Iron oxide Fe3O4 suppliers could be affected.
Iron oxide Fe3O4 overview
(Fe3O4) iron oxide can also be made into granules, lumps, powders, sputtering targets, tablets and nanopowders. Iron oxide is usually immediately available in most cases. High purity, submicron and nanopowder forms are contemplated. Provides additional technical, research and security (MSDS) information. Fe3O4 is formed by the Schikorr reaction. This reaction converts iron(II) hydroxide (Fe(OH)2) to iron(II,III) oxide (Fe3O4). Under anaerobic conditions, ferrous hydroxide (Fe(OH)2) is oxidized in water to form magnetite and molecular hydrogen. Skicor's response explains the process.
Production method of iron oxide Fe3O4
Hydrogen Reduction of α-Iron Oxide
Load the high-purity micro-powdered α-Fe2O3 into the pan, and the powder layer should not be too thick. After the disk was placed in the reaction tube, high-purity nitrogen gas was introduced to completely replace the air. Then, water-saturated hydrogen gas was slowly fed through a gas scrubber. The heating temperature is appropriately 300 to 400°C (for example, 330°C). After confirming that the reaction is completed (usually 1 to 3 hours), cool it down, stop sending hydrogen, and replace it with nitrogen, then take out the sample. Insufficient amount of water vapor, excessive heating temperature or excessive reduction will generate FeO, so attention must be paid. The amount of water vapor can be increased by increasing the temperature of the gas scrubber (40-60°C is more suitable). Using needle-shaped α-FeO(OH) as the starting material, α-Fe2O3 can be obtained by heating and dehydration. With this α-Fe2O3, acicular ferric oxide particles can be obtained. Black audio tapes use this iron tetroxide as a tape recording medium.
The iron filings are reacted with sulfuric acid to obtain ferrous sulfate, and then caustic soda and iron oxide are added to carry out an adduct reaction at 95-105° C. to generate ferric oxide, which is filtered, dried and pulverized to obtain iron oxide black.
Slow oxidation of ferrous hydroxide
The aqueous solution containing ferrous hydroxide precipitates is heated to above 70°C and slowly oxidized to obtain ferric oxide powder composed of fairly uniform regular octahedral or cubic single crystal particles with an edge length of about 0.2 μm. Air delivery bubbles can also be used as a means of oxidation. Oxidants like KNO3 can also be used.
If the operation is proficient, the ferric tetroxide with the chemical composition of Fe3.00O4.00 can be obtained. The Harber method adds 220g 20% ammonia water to 2.2L FeSO4·7H2O aqueous solution, and boils it under the condition of cutting off the air (you can use a capillary equipped with a capillary tube). round-bottomed flask), add a concentrated aqueous solution containing 25.5 g of KNO3 to the boil.
The ferrous sulfate solution is oxidized by adding alkali or the solution of ferric salt and ferrous salt is mixed in a certain proportion and then precipitation by adding alkali.
Application of iron oxide Fe3O4
Iron oxide Fe3O4 powder, commonly known as iron oxide black, magnetite and iron oxide black, can be used in many different fields, such as: iron oxide (II, III) as black pigment, also known as mars black.
Used as a catalyst in the Haber process.
For water gas shift reaction.
In contrast, Fe3O4 nanoparticles are used in MRI scans.
It prevents the steel from rusting.
It is an ingredient in aluminates, which are used to cut steel.
Iron oxide Fe3O4 powder is ferromagnetic. If the radius of the particles formed is on the nanometer scale, they are called ferromagnetic particles.
1. Iron oxide Fe3O4 powder can produce magnetic recording materials, high gradient magnetic separators, wave absorbing materials, special coatings, etc.
2. Iron oxide Fe3O4 powder is widely used as the carrier of various pharmaceutical ingredients to form a magnetic targeted drug delivery system; it is used for the separation of magnetic immune cells, nuclear magnetic resonance imaging and so on.
3. For precision instruments, gas sealing, vacuum sealing, etc.
Iron oxide Fe3O4 price
The price of iron oxide Fe3O4 powder will change randomly with the production cost, transportation cost, international situation and the market supply and demand of iron oxide Fe3O4 powder. Tanki New Materials Co.,Ltd aims to help various industries and chemical wholesalers find high-quality, low-cost nanomaterials and chemicals by providing a full range of customized services. If you are looking for iron oxide Fe3O4 powder, please feel free to send an inquiry to get the latest price of iron oxide Fe3O4 powder
Iron oxide Fe3O4 suppliers
As a global supplier of iron oxide Fe3O4, Tanki New Materials Ltd. has extensive experience in the performance, application and cost-effective manufacturing of advanced and engineered materials. The company has successfully developed a series of powder materials (including boron carbide, aluminum carbide, titanium carbide, etc.), high-purity target materials, functional ceramics and structural devices, and provides OEM services.
|Technical Parameter of Iron Oxide Fe3O4 Powder：|
| Test item || 01 ||2|
| Content Fe3O4≥﹪||99||99|
| Moisture content ≤﹪||0.7||0.7|
| Water Soluble ≤﹪||0.4||0.4|
| Residue On Sieve(325mesh)||0.3||0.3|
| Oil absorption (ml/100g)||21||21|
| PH value||7||7|
| Tinting strength ﹪||99||99|
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