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Ammonium sulfate


Ammonium sulfate Description Ammonium sulfate (also ammonium sulphate in British English), (NH4)2SO4, is an inorganic salt with a number of commercial uses. The most common use is as a soil fertilizer. It contains 21% nitrogen as ammonium cations, and 24% sulfur as sulfate anions. It is used largely as an …

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Aluminium Sulfide :: Aluminium Sulphide


Aluminium Sulfide :: Aluminium Sulphide Description Aluminium Sulfide or aluminium sulphide is a chemical compound with the formula Al2S3. It comprises yellowish-gray lumps and has the odour of hydrogen sulphide. The material is sensitive to moisture, hydrolyzing to hydrated aluminium oxides/hydroxides. This can begin when the sulfide is exposed to …

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Aluminium Silicate

Aluminium silicate

Aluminium Silicate Description Aluminum silicate, also known as aluminium silicate, is a mixture of aluminum, silica, and oxygen that can be either a mineral, or combined with water to form a clay. It can also combine with other elements to form various other minerals or clays. Some of these forms …

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Aluminium Powder

Aluminium powder

Aluminium Powder Description Aluminum powder is a light, silvery-white to gray, odourless powder. It is a REACTIVE FLAMMABLE MATERIAL. Moist aluminum powder may ignite in air, with the formation of flammable hydrogen gas. It is also a COMBUSTIBLE DUST. When aluminum powder comes in contact with water, strong acids, strong …

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Alumina Description Alumina is a bauxite having received a certain treatment. It is a dry, hygroscopic matter that is delivered in three different specifications viz.: Standard variety Mineralized variety Variety resembling flour Application Production of aluminium, manufacture of abrasives, refractories, ceramics, electrical insulators, catalyst and catalyst supports, paper, spark plugs, …

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Alabaster Description Alabaster is a name applied to varieties of two distinct minerals, when used as a material: gypsum (a hydrous sulfate of calcium) and calcite (a carbonate of calcium). The latter is the alabaster of the present day; generally, the former is the alabaster of the ancients. Both are …

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Aggregates Description Construction aggregate, or simply “aggregate”, is a broad category of coarse particulate material used in construction, including sand, gravel, crushed stone, slag, recycled concrete and geosynthetic aggregates. Aggregates are a component of composite materials such as concrete and asphalt concrete; the aggregate serves as reinforcement to add strength …

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Acid Clay : Bleaching Earth


Acid Clay : Bleaching Earth Description Clay soil such as Acid Clay, Activated Earth and Fuller’s earth. Bleaching earth includes related types of clay soil such as Acid Clay, activated earth and Fuller’s earth. These soils, in which chemical substances have been absorbed are used in chemical industries. Fuller’s earth …

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Lead Description / Application Most ores contain less than 10% lead, and ores containing as little as 3% lead can be economically exploited. Ores are crushed and concentrated by froth flotation typically to 70% or more. Sulfide ores are roasted, producing primarily lead oxide and a mixture of sulfates and …

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Oil Well Casing


Oil Well Casing Description Casing is large diameter pipe that is assembled and inserted into a recently drilled section of a borehole and typically held into place with cement. Casing that is cemented in place aids the drilling process in several ways: Prevent contamination of fresh water well zones. Prevent …

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