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Strontium Carbonate
keyword:
Strontium Carbonate
SrCO3
Strontium Carbonate
Product information
Molecular formula: SrCO₃
Molecular weight: 147.63
H.S. Code: 2836.92.00
EINECS: 215-145-9
CAS Number: 1633-05-2
Applications & Uses:
1. Electronics & Magnetic Materials
·Used in the production of electronic components such as color TV cathode ray tubes (CRTs), electromagnets, and strontium ferrite, which are critical for speakers, magnetic separators, and small motors.
·Serves as a base powder for PTC thermistors, enabling functions like switch activation, degaussing, and current-limiting protection.
2. Glass & Ceramic Industry
·Employed in manufacturing glass shells for CRTs, particularly color TVs, due to its strong X-ray absorption capabilities.
·Replaces lead oxide in ceramics to produce low-temperature glazes with high color intensity, fluidity, and enhanced insulation properties.
3. Pyrotechnics & Flares
·Utilized in fireworks, flares, and fluorescent glass to generate vivid red flames during combustion.
4. Pharmaceuticals & Chemicals
·Medical applications: Used in orthopedic ceramics, artificial joints, and dental implants.
· Industrial applications: Serves as a support for palladium catalysts in hydrogenation reactions; applied in papermaking, sugar refining, and zinc electrolyte purification processes.
5. Environmental Protection & Energy
·Used in fire-resistant materials and thermal insulation to improve energy efficiency.
·Contributes to groundwater purification and acid rain mitigation in environmental protection efforts.
Specification
Item | Standard |
SrCO3+BaCO3 | ≥ 98.0% |
SrCO3 | ≥ 97.0% |
BaCO3 | ≤ 1.0% |
CaCO3 | ≤ 0.5% |
H2O | ≤ 0.1% |
Na2O | ≤ 0.3% |
SO3 | ≤ 0.35% |
Fe2O3 | ≤ 0.01% |
Cl | ≤ 0.12% |
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