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Barium carbonate 1
  • Barium carbonate 1

Barium carbonate

Model:99.9%
Brand:BeiHai
Origin:Made In China
Category:Chemicals / High Polymers
Label:ingredient , Witherite , ceramics industry
Price: US $1428 / MT
Min. Order:1 MT
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Detail

Changsha Beihai Chemical Industrial Co., Ltd.

Free MemberHu Nan - China
Live Chat:Last Online:16 Jan, 2014

Product Description

Barium carbonate (BaCO3), also known as witherite, is a chemical compound used in rat poisonbricks, ceramic glazes and cement.

Witherite crystallizes in the orthorhombic system. The crystals are invariably twinned together in groups of three, giving rise to pseudo-hexagonal forms somewhat resembling bipyramidal crystals of quartz, the faces are usually rough and striated horizontally.

Witherite

The mineral is named after William Withering, who in 1784 recognized it to be chemically distinct from barytes.[3] It occurs in veins of lead ore at Hexham in NorthumberlandAlston in CumbriaAnglezarke, near Chorley in Lancashire and a few other localities. Witherite is readily altered to barium sulfate by the action of water containing calcium sulfate in solution and crystals are therefore frequently encrusted with barytes. It is the chief source of barium salts and is mined in considerable amounts in Northumberland. It is used for the preparation of rat poison, in the manufacture of glass and porcelain, and formerly for refining sugar. It is also used for controlling the chromate to sulfate ratio in chromium electroplating baths.[4]

Barium carbonate is widely used in the ceramics industry as an ingredient in glazes. It acts as a flux, a matting and crystallizing agent and combines with certain colouring oxides to produce unique colours not easily attainable by other means. Its use is somewhat controversial since some claim that it can leach from glazes into food and drink. To provide a safe means of use, BaO is often used in fritted form.

In the brick, tile, earthenware and pottery industries barium carbonate is added to clays to precipitate soluble salts (calcium sulfate and magnesium sulfate) that cause efflorescence.


Payment Terms:T/T;L/C at sight

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Barium carbonate 1
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Changsha Beihai Chemical Industrial Co., Ltd.

106 Room A13 Building Dongfang Renjia No1199 Yuanda Rd,Furong Area Changsha,China Hunan

Phone:
86-0731-84627146
Fax:
86-0731-84633158
Contact:
Apple Ou (trader manager)
Mobile:
18874155620

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