中文

Lanthanum

Lanthanum Sulfate | 57804-25-8

290x190
Formula: La2(SO4)3.xH2O

CAS No:
57804-25-8

Molecular Weight:
566.00(anhy)

Density: 2.82 g/cm3

Melting point:
1150 °C

Appearance: White powder

Solubility: Soluble in water and strong mineral acids

Stability: Easily hygroscopic

Skype

GET MORE»

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

Product performance
The most common for its eight hydrate, colorless salt as six-party crystal, 500 ℃ when dehydration, 700 ℃ when generating basic salt, with alkali metal sulfate can generate various acid double salt. In sulfuric acid formation La(HSO4) 3, the sulphide is formed when heated by hydrogen sulfide airflow.

Applications
Used as a preservative to determine the atomic weight and spectral analysis of elements as preservatives and reagents.

Storage condition
Store in a sealed container and place in a cool, dry place.
Product Code 5701 5703 5705 5707
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 3 20 0.05 0.5
Pr6O11/TREO 3 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 0.2
Gd2O3/TREO 2 10 0.001 0.1
Y2O3/TREO 5 10 0.05 0.1
Non-Rare Earth Impurities ppm max. ppm max. % max. % max.
Fe2O3 2 50 0.05 0.02
SiO2 50 100 0.05 0.5
CaO 100 100 0.2 0.5
CoO 3 5    
NiO 3 5    
CuO 5 3    
MnO2 3 5    
Cr2O3 5 5    
CdO 5 5    
PbO 5 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.

CLICK HERE FOR PRICE

WE WILL CONTACT WITH YOU WITHIN 8 HOURS