Cerium Bromide Anhydrous CeBr3 CAS 14457-87-5 For Scintillation Crystal

Anhydrous cerium bromide is an important optical functional crystal material, which can convert high-energy particles or rays into pulsed fluorescence for radiation detection and analysis. This material is widely used in nuclear medicine imaging, safety inspection and other fields. One of the preparation methods is to prepare cerium bromide powder by dewatering bromination under the protection of HBr gas or NH4Br, and then cooling after melting in a protective atmosphere or vacuum. Compared with other methods, the anhydrous cerium bromide prepared by this method has low water content, and can effectively control the content of water, oxygen and other harmful impurities in the product. The operation is simple, the cost is low, and it is conducive to large-scale production.

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PRODUCTS DETAILS

Name: anhydrous cerium bromide, cerium bromide ultra dry                                  CAS: 14457-87-5

 

Molecular formula: CeBr3                                                                                         Molecular weight: 379.83

 

 

Description: Hydrobromide was dehydrated in HBr atmosphere. Introduce pure and dry HBr gas, heat hydrated bromide, and balance with NH4Br. The temperature rises slowly to 250 ℃, by which time most of the water has been removed. Then slowly heat it to 600 ℃, and NH4Br has been completely sublimated to give cerium bromide anhydrous.

 

 

Specification:

Name

CeBr3_4N

CeBr3_3N

Molecular formula

CeBr3

CeBr3

CAS

14457-87-5

14457-87-5

Total rare earth TREO

%

≥45.00

≥44.80

CeO2/TREO

%

≥99.99

≥99.90

Bromide Br-

%

≥62.90

≥62.70

Non-rare earth impurities

%

≤0.0030

≤0.0050

Water insoluble matter

%

≤0.01

≤0.05

Water content

%

≤0.10

≤0.50

Property

White crystalline powder or granular, hygroscopic, need to be stored under vacuum

Application area

Raw materials of scintillation crystal cerium bromide crystal (cebr3) and organic chemical reaction catalyst

Package

Vacuum packaging, flexible packaging according to customer needs

 

 

Packing: topical 5kg / bag or 1kg / bag Vacuum packaging, also provided small package: 100g, 200g, 500g aluminum foil bag vacuum small package.

 

 

Uses: The raw material of scintillation crystal cerium bromide crystal (CeBr3) can also be used in the manufacture of metal cerium and catalyst.

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