Noun:

அலுமினியத் தாதுப் பொருள்,

bauxite's Usage Examples:

, Antrim bauxite contains from 33 to 60% of alumina, from 2 to 30% of ferric oxide, and from 7 to 24% of silica, the balance being titanic acid and water of combination.

Alunite >>Various minerals are employed in the manufacture of alum, the most important being alunite or alum-stone, alum schist, bauxite and cryolite.

45, and employed instead of fresh caustic for the attack of more bauxite; the precipitate is then collected, washed till free from soda, dried and ignited at about looo C.

In the preparation of alum from clays or from bauxite, the material is gently calcined, then mixed with sulphuric acid and heated gradually to boiling; it is allowed to stand for some time, the clear solution drawn off and mixed with acid potassium sulphate and allowed to crystallize.

Alumina is high in the finer clays (18 to 30%), and they are the most aluminous of all sediments, except bauxite.

Alumina as a refractory material is chiefly used in the form of bauxite, but its applications are somewhat special.

Therefore while less energy is absorbed in its final reduction, more is needed in its initial preparation, and it is questionable whether the economy possible in the second stage would not be neutralized by the greater cost of the first stage in the whole operation of winning the metal from bauxite with the sulphide as the intermediary.

bauxite chippings will provide the ultimate non-skid surface.

bauxite mine, an aerial conveyor had to be built.

Various minerals are employed in the manufacture of alum, the most important being alunite or alum-stone, alum schist, bauxite and cryolite.

Of these hydrargillite or gibbsite, Al(OH)3, diaspore, A10(OH), and bauxite, Al 2 0(OH) 4, occur in the mineral kingdom.

Synonyms:

Ga, gibbsite, Al, gallium, atomic number 31, aluminium, atomic number 13, mineral, aluminum,

Antonyms:

organic,