Strontium Carbonate

Strontium Carbonate (Powder, Granular)

CAS No. : 1633-05-2

Molecular Formula: SrCO3, Molecular Weight: 147.63
Property: 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 IS BASED ON HG/T2969-1999

Item

Index (%)

SrCO3

97.0

98.0

BaCO3

2.0

0.8

CaCO3  

0.3

0.3

Na (as Na2O)

0.3

0.3

Fe (as Fe2O3)

0.01

0.01

Cl

0.12

0.12

S (as SO4)

0.35

0.3

Moisture 

0.3

0.3

Cr2O3  

0.0005

0.0005

Average particle Size or Granularity

As required

2. GRANULAR

THIS INSPECTION IS 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

Details are introduced