Silicon is a chemical element with chemical symbol Si and atomic number 14. It is a hard, brittle crystalline solid with a blue-gray metallic luster and is a tetravalent metalloid and semiconductor. It is a member of group 14 on the periodic table: carbon is above it; germanium, tin, lead, and pras
READ MORECompoundsMost silicon is used industrially without purification and, in fact, is usually relatively little processed from its native form. More than 90 percent of the Earth's crust is made up of silicate minerals, which are compounds of silicon and oxygen that often carry metal ions while negatively
READ MOREMicro carbon residue, commonly known as "MCR", is a laboratory test used to determine the amount of carbonaceous residue formed after petroleum materials are evaporated and pyrolyzed under certain conditions. This test is used to provide some indication of the coking propensity of the material. [1][
READ MOREFerrochromium or ferrochromium (FeCr) is an iron alloy, an alloy of chromium and iron, usually containing 50-70% chromium. [1][2]Ferrochrome is produced from chromite ore by arc carbothermal reduction. Most of the global production comes from countries with rich domestic chromite resources such as S
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