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Lanthanum

Lanthanum Oxalate | 537-03-1

Formula: La2(C2O4)3.10H2O

CAS No: 537-03-1

Molecular Weight: 722.02

Density: N/A

Melting point: N/A

Appearance: White powder

Solubility: Soluble in strong mineral acids

Stability: Easily hygroscopic

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Note: Custom specification manufactures can be provided according to user requirements.

Product performance
A monoclinic crystal system. Low solubility in water, the quantitative precipitation from aqueous solution, there is no water and salt can dissolve in 25 ℃ water 6.2 x 10-4 g/L. Boiling with alkali can convert lanthanum oxalate to hydroxide precipitation. Heat can be decomposed into alkali carbonate and the oxide, into oxide temperature is 800 ~ 900 ℃, La2O3 can be produced in this way. In rare earth acid solution, oxalic acid can be prepared.

Applications
Lanthanum Oxalate is mainly applied in specialty glass, phosphors, water treatment and catalyst.

Storage condition
Store in a sealed container and place in a cool, dry place.
Product Code 5781 5783 5785 5787
Grade 100.00% 99.99% 99.90% 99%
CHEMICAL COMPOSITION        
La2O3/TREO (% min.) 99.999 99.99 99.9 99
TREO (% min.) 39 39 39 39
Rare Earth Impurities ppm max. ppm max. % max. % max.
CeO2/TREO 5 30 0.05 0.5
Pr6O11/TREO 5 50 0.02 0.1
Nd2O3/TREO 2 50 0.02 0.1
Sm2O3/TREO 2 10 0.01 0.1
Eu2O3/TREO 2 10 0.001 0.1
Gd2O3/TREO 2 10 0.001 0.1
Y2O3/TREO 5 30 0.01 0.1
Non-Rare Earth Impurities ppm max. ppm max. % max. % max.
Fe2O3 10 50 0.01 0.02
SiO2 50 80 0.05 0.1
CaO 100 100 0.5 0.5
CoO 3 5    
NiO 3 5    
CuO 3 5    
MnO2 3 5    
Cr2O3 3 3    
CdO 5 5    
PbO 10 50    
packing
The standard specifications are only for reference, custom specification manufactures are welcomed. More detailed information including MSDS sheet, lot weight, packing condition, lead time and price are all ready on request, please just click at Request for Quotation, you will receive our prompt reply within 24 hours.

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