Iron oxides pigments refers to four main types of color pigments, namely iron oxide red (red iron oxide), iron yellow (yellow iron oxide), iron black (black iron oxide), and iron brown. Iron oxide is the predominant pigment (roughly accounting for all iron oxides). The category of iron pigments also includes mica ironoxide used as anti-rust pigment, magnetic ironoxide used as a recording material and magnetic ironoxide. Iron oxide is a large inorganic colour pigment, second only to titanium dioxide.
Synthetic iron oxide is a pigment that accounts for more than 70% of the iron oxides used. Synthetic Iron Oxide is widely used for building materials, paints, and plastics. This is because it has high synthetic purity, a uniform particle size and wide chromatogram. Electronics, tobacco, medicine, rubber, ceramics, ink, magnetic materials, papermaking, and other fields.
1. Iron and Steel Industry: Iron oxide is used primarily as a material for the iron and steel sector.
2. Surface polishing – extremely fine iron dioxide powder is known as “jeweler’s Rouge”, “red rouge”, and rouge. It is used to polish lenses and metal jewelry. Although iron oxide’s cutting speed is slower than that of some polishing agents used today (such as cerium dioxide), it is still employed in the optical industry and jewelry because it produces excellent finishes. Rouge will have an effect on the final product’s appearance when used to polish the gold. Rouge comes in powders and pastes as well as polishing cloths and solid sticks. Many other polishing products are referred to by the term “Rouge” even though they don’t contain iron oxide. Jewelers use ultrasonic cleansing to remove rouge residue from jewelry. For leather shaving, “scraping” compounds are used to achieve sharp edges for knives, hair straightening razers, or other edge tools.
Different colors of iron oxide (a = red and b = Yellow) in different hydrates.
3. Iron oxide is used as pigment. The names of the pigments are “Iron Oxide Brown 6”, “Iron Oxide Brown 7,” and “Iron Oxide Brown 101”. Pigment Brown 6 and Pigment Red 101 have been approved as cosmetics by the US Food and Drug Administration. For dental composites, titanium dioxide and iron oxide are combined as a pigment.
The world’s cheapest energy-storage device—iron-air batteries
Iron-air batteries that can be recharged at home are a cost-effective alternative to traditional power plants, and they only cost a fraction of what lithium-ion batteries do. Energy transition is dependent on finding ways to consolidate renewable energies. Long-term, cheap and safe batteries that store energy can be the key to the energy transition. This is because they are able to solve the variable nature of solar and wind energy.
The average storage cost of large lithium-ion cells was set at US$132-245/MWh by a French financial advisor in their industry standard annual report. Iron-air battery storage, at one-tenth that price, will be the cheapest energy storage solution available for a certain distance.
The personnel responsible for developing this battery stated: “This battery will be able to provide reliable, safe and 100% renewable electricity throughout the entire year.”
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