In today's article, we will explore Iron oxide and its impact on today's world in detail. From its origin to its evolution today, Iron oxide has played a crucial role in different aspects of daily life. Over the years, Iron oxide has sparked great interest and debate, generating multiple perspectives and opinions that have shaped its meaning and relevance in society. From his impact on popular culture to his influence on technology and science, Iron oxide has left an indelible mark on the contemporary landscape. In this article, we will explore how Iron oxide has shaped the world we live in and what its implications are for the future.
Class of chemical compounds composed of iron and oxygen
Iron oxides and oxyhydroxides are widespread in nature and play an important role in many geological and biological processes. They are used as iron ores, pigments, catalysts, and in thermite, and occur in hemoglobin. Iron oxides are inexpensive and durable pigments in paints, coatings and colored concretes. Colors commonly available are in the "earthy" end of the yellow/orange/red/brown/black range. When used as a food coloring, it has E number E172.
ferrihydrite (Fe5HO8 · 4 H2O approx., or 5 Fe2O3 · 9 H2O, better recast as FeOOH · 0.4 H2O)
high-pressure pyrite-structured FeOOH. Once dehydration is triggered, this phase may form FeO2Hx (0 < x < 1).
green rust (FeIII xFeII yOH3x + y − z (A−)z where A− is Cl− or 0.5 SO2−4)
Reactions
In blast furnaces and related factories, iron oxides are converted to the metal. Typical reducing agents are various forms of carbon. A representative reaction starts with ferric oxide:
2 Fe2O3 + 3 C → 4 Fe + 3 CO2
In nature
Iron is stored in many organisms in the form of ferritin, which is a ferrous oxide encased in a solubilizing protein sheath.
Almost all iron ores are oxides, so in that sense these materials are important precursors to iron metal and its many alloys.
Iron oxides are important pigments, coming in a variety of colors (black, red, yellow). Among their many advantages, they are inexpensive, strongly colored, and nontoxic.
Magnetite is a component of magnetic recording tapes.
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