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High Purity Barium Carbonate Powder 99.2% Purity 4.286 G/Cm3 Density

High Purity Barium Carbonate Powder 99.2% Purity 4.286 G/Cm3 Density

High Purity Barium Carbonate Powder 99.2% Purity 4.286 G/Cm3 Density

Product Details:

Place of Origin: China
Brand Name: YX
Certification: ISO SGS
Model Number: YX-B

Payment & Shipping Terms:

Minimum Order Quantity: 20 tons
Price: USD 500-800 per ton
Packaging Details: 25kg or 50 kg per bag, or customized
Delivery Time: 5-10 days
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 1000 tons per month
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Detailed Product Description
Name: Supply Industry Grade High Purity Barium Carbonate 99.2% Other Name: Witherite
Molecular Formula: BaCO3 CAS Number: 513-77-9
HS Code: 2836600000 Molecualr Weight: 197.34 G/mol
Appearance: White Crystals Density: 4.286 G/cm3
Melting Point: 811 °C (1,492 °F; 1,084 K) Boiling Point: 1,450 °C (2,640 °F; 1,720 K) Decomposes
Solubility In Water: 24 Mg/L (20 °C)

Supply industry grade high purity Barium Carbonate 99.2%


Barium carbonate (BaCO3), also known as witherite, is a chemical compound used

 

in rat poison, bricks, 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. It transforms into an hexagonal phase at 1084 K that

 

changes into a cubic phase at 1254 K

 

 

 

High Purity Barium Carbonate Powder 99.2% Purity 4.286 G/Cm3 Density

 

Witherite

 

The mineral is named after William Withering, who in 1784 recognized it to be

 

chemically distinct from barytes. It occurs in veins of lead ore at Hexham in

 

Northumberland, Alston in Cumbria, Anglezarke, 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.

 

Specifications Item Specification for Fine Grade Specification for First Grade Specification for Regular Grade
Purity(BaCO3) ≥99.2% ≥99% ≥98.5%
Moisture ≤0.3% ≤0.3% ≤0.3%
SO4 ≤0.25% ≤0.35% ≤0.45%
Iron(Fe) ≤0.004% ≤0.004% ≤0.008%
HCL insoluble Matter ≤0.15% ≤0.25% ≤0.50%
Bulk Density(powder) Light Powder 0.40 g/cm3 Dense Powder 1-1.2 g/cm3
Particlle Size(Granule)

850micron:≦1% 150micron :≧75%

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.

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