This oxide, called alumina, does not melt until a heat of 5,000°. From Wordnik.com. [Oxy-Acetylene Welding and Cutting Electric, Forge and Thermit Welding together with related methods and materials used in metal working and the oxygen process for removal of carbon] Reference
Aluminum is made from alumina, which is produced from bauxite ore. From Wordnik.com. [Caribbean Net News Daily Headlines] Reference
Bauxite is refined first into alumina, which is then made into aluminum. From Wordnik.com. [Bauxite Mining Reaches] Reference
Chinalco and Alcoa are both buyers of alumina, which is used to make aluminum. From Wordnik.com. [Chinalco Doesn't Plan to Raise Rio Stake] Reference
Bauxite is the raw material for alumina, which is the raw material for aluminum. From Wordnik.com. [Alcoa Venture Lands Vietnam Deal] Reference
It's a lightweight, strong metal produced from alumina, which is processed from bauxite ore. From Wordnik.com. [Purchasing - Top Stories] Reference
Aluminum is derived from the oxide alumina, which is the principal constituent of common clay. From Wordnik.com. [Scientific American Supplement, No. 362, December 9, 1882] Reference
Bauxite is a reddish brown ore refined to produce alumina, which is then smelted to yield aluminum. From Wordnik.com. [Vedanta Gets Right] Reference
AWAC is a leading producer of the raw material alumina, which is used in the smelting process for aluminum. From Wordnik.com. [Investopedia.com Headlines] Reference
Bauxite ore is refined into a white powder called alumina, which in turn makes the aluminum used in the world's cars and planes. From Wordnik.com. [Norsk Hydro to Buy Vale Assets] Reference
He derived the name from the mineral called alumina, which itself had only been named in English by the chemist Joseph Black in 1790. From Wordnik.com. [languagehat.com: TRAI(T).] Reference
Chemically, the oil globules extracted from the spores contain "alumina" and. From Wordnik.com. [Herbal Simples Approved for Modern Uses of Cure] Reference
Another 10% produces alumina which is used in chemical, abrasive, and refractory products. From Wordnik.com. [Aluminum] Reference
Mining is still required to produce the raw materials for synthetic stones, such as alumina for rubies and graphite for diamonds. From Wordnik.com. [Green Lantern: Environmentally friendly jewelry includes synthetic gemstones] Reference
Action of iron and alumina in causing reversion 399. From Wordnik.com. [Manures and the principles of manuring] Reference
This was a silicate-alumina rock, not a nickel-iron one. From Wordnik.com. [Anything You Can Do ...] Reference
The red bucket is filled with granules of alumina, an aluminum oxide. From Wordnik.com. [A Bucket Solution] Reference
Its most commonly occurring forms are as phosphates of lime, iron, and alumina. From Wordnik.com. [Manures and the principles of manuring] Reference
These are composed of silica, alumina, iron oxide, manganese oxide, lime and magnesia. From Wordnik.com. [Manures and the principles of manuring] Reference
It contains silica, alumina, and iron, in considerable quantities, also magnesia and potash. From Wordnik.com. [Manures and the principles of manuring] Reference
Exports of commodities such as gold, alumina and nickel could also rise substantially, it said. From Wordnik.com. [Australia Lifts Commodity Exports Forecast] Reference
Sino Mining International Ltd. locked in supply of alumina for 30 years from Alcoa World alumina. From Wordnik.com. [China's Route to Potash Needn't Go Through BHP] Reference
A pure clay consists simply of silica and alumina, all the other constituents having been washed out. From Wordnik.com. [Manures and the principles of manuring] Reference
Their principal constituents, however, are silica and alumina, along with either potash, soda, or lime. From Wordnik.com. [Manures and the principles of manuring] Reference
When arsenic-laced water is poured in, the alumina molecules bond with the arsenic, removing the poison. From Wordnik.com. [A Bucket Solution] Reference
They consist of silica and alumina, along with various other substances, chiefly alkalies and alkaline earths. From Wordnik.com. [Manures and the principles of manuring] Reference
The felspars are composed of silica and alumina, along with potash, soda, and lime, with traces of iron and magnesia. From Wordnik.com. [Manures and the principles of manuring] Reference
Alcan developed an enhanced alumina granule that's shaped in such a way as to maximize the amount of exposed surface. From Wordnik.com. [A Bucket Solution] Reference
That increases contact between the water and alumina molecules, giving the alumina more opportunities to grab onto them. From Wordnik.com. [A Bucket Solution] Reference
Mr. Way has sought to explain it by supposing that there exist in the soil particular double silicates of alumina and lime. From Wordnik.com. [Elements of Agricultural Chemistry] Reference
This inferior variety of the iron-alumina garnet is called the "common" garnet, and has little lustre, being sometimes opaque. From Wordnik.com. [The Chemistry, Properties and Tests of Precious Stones] Reference
Its composition averages 16.25 per cent. of silica, 55.75 per cent. of alumina, or oxide of aluminium, and fluoride of silicium. From Wordnik.com. [The Chemistry, Properties and Tests of Precious Stones] Reference
The buckets need to be cleaned periodically to remove gunk, and the alumina granules have to be replaced when they lose their zap. From Wordnik.com. [A Bucket Solution] Reference
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