Loading Port:Qingdao Port
Payment Terms:TT or LC
Min Order Qty:20MT m.t.
Supply Capability:100000MT Per Year m.t./month
Strontium Carbonate (Powder, Granular)
CAS No. : 1633-05-2
Molecular Formula: SrCO3, Molecular Weight: 147.63
Property of Strontium Carbonate :
White powder or granular; insoluble in water; soluble in diluted hydrochloric acid and thin nitric acid.
Usage: Mainly used in magnetic material, cathode ray tube (CRT), nonferrous metal, fireworks, fluorescent glass, flame making and fluorescent material industry, making other strontium salts etc.
High purity used in PTC resistors, varistors, MLCC, optical glass, phosphor powder.
1.Powder
This inspection based on HG/1969-1999
CHEMICAL CHARACTERISTCS | |
Purity | 97 % min |
H2O | 0.20% max |
Insoluble In water | 0.05% max |
CaCO3 | 1.0% max |
BaCO3 | 1.5% max |
Fe | 0.01% max |
Total sulfur as SO4 | 0.30% max |
Packing: 25kg/bag,1000kg/bag。20MT/20GP | |
2. Granular
This inspections based on HG/T2969-1999
TYPE: GRANULAR | ||
CHEMICAL CHARACTERISTCS | ||
SrCO3+BaCO3 | 98.5% min | |
BaCO3 | 3.0%max | |
CaCO3 | 0.5%max | |
Na2O | 0.3%max | |
Fe2O3 | 0.01%max | |
SO4 | 0.35%max | |
CL | 0.12%max | |
H2O | 0.3%max | |
PHYSICAL CHARACTERISTCS | ||
Particle size (mesh) | +1700 | 30%max |
-300 | 10%max | |
Packing: 25kg/bag; 1000kg/bag | ||
