Trang chủ > Cerium (III) carbonate hydrate

Cerium (III) carbonate hydrate

Số CAS
54451-25-1
Khối lượng phân tử
Công thức phân tử / ký hiệu hóa học
Ce2(CO3)3.xH2O

Mô tả

Melting point:848 ° C

Appearance:white or with pale yellow crystalline powder,color with purity change and a little change, belong to orthorhombic system.

Solubility:hardly soluble in water.

ỨNG DỤNG

Mainly used for preparation of rare-earth luminescence materials, automobile tail gas purification catalysts, polishing material and color engineering plastics with color. It can also be used for chemical reagent. For making cerium chloride and incandescent lamp shade.

Keywords:Environmental protection paint;Catalyst

Phiếu kiểm nghiệm

Product name

Cerium (III) carbonate hydrate

CAS:54451-25-1

Appearance

White or with pale yellow crystalline powder

Chemical formula

CH2CeO4

Purity:   ≥98.0%

Testitems (%)

Testresult

mark

CC-2N

CC-3N

CC-3N5

CC-4N

analytical method

The total amount of rare earth oxidesTREO%


50±2

50±2

50±2

50±2

-

Rare earth cerium purity and related impurities (%)

CeO2/TREO


>99


>99.9


>99.95


>99.99


AES,ICP



La2O3/TREO


<0.5


<0.05


<0.02


<0.005


AES,ICP



Pr6O11/TREO


<0.1


<0.01


<0.005


<0.002


AES,ICP



Nd2O3/TREO


<0.1


<0.01


<0.005


<0.002


AES,ICP



Sm2O3/TREO


<0.1


<0.01


<0.001


<0.0005


AES,ICP



Y2O3/TREO


<0.01


<0.01


<0.001


<0.0005


AES,ICP


Non-RE(%)


Fe2O3


<0.01


<0.005


<0.002


<0.001


AES,ICP



SiO2


<0.03


<0.02


<0.01


<0.005


AES,ICP



CaO


<0.03


<0.02


<0.01


<0.005


AAS



MnO2


<0.005


<0.001


<0.001


<0.001


AAS