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Barium Carbonate Granular

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Barium Carbonate Granular

Application:
Mainly used in magnetic materials, glass, ceramics, purify water, paints, pigments, paints, building materials and steel, carburizing, manufacturing other barium salts and reagents etc.

Specification:

Item

Standard

Content

99.2%min

Moisture

0.3%max

Total sulfur(SO4)

0.3%max

HCl insoluble

0.25%max

Iron(Fe)

0.004%max

Fineness 125mesh residue

0.2%max

Bulk density(g/cm3)

1.21max for light and 1.48min for heavy


Product Description

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

Preparation
Barium carbonate is made commercially from barium sulfide either by treatment with sodium carbonate at 60 to 70 ° C (soda ash method) or by passing carbon dioxide at 40 to 90 ° C.

In the soda ash process, solid or dissolved sodium carbonate is added to barium sulfide solution, and the barium carbonate precipitate is filtered, washed and dried. In the barium carbonate molecule, two oxygen atoms gain one electron each from Ba atom

Barium carbonate
CAS NO.: 513-77-9
Molecular formula: BaCO3
Molecular Weight: 197.35
HS Code: 28366000
UN NO.: 1564
DG Class: 6.1


Uses
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.

Application:
Mainly used in magnetic materials, glass, ceramics, purify water, paints, pigments, paints, building materials and steel, carburizing, manufacturing other barium salts and reagents etc.

Specification:

Item

Standard

Content

99.2%min

Moisture

0.3%max

Total sulfur(SO4)

0.3%max

HCl insoluble

0.25%max

Iron(Fe)

0.004%max

Fineness 125mesh residue

0.2%max

Bulk density(g/cm3)

1.21max for light and 1.48min for heavy


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