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strontium carbonate

Product name strontium carbonate
Synonyms carbonic acid, strontium salt
GOST no data
CAS 1633-05-2

Strontium carbonate (SrCO3) is a colorless crystalline solid. It is hard to dissolve in water, boundedly soluble in liquid ammonia, but very soluble in ammonium chloride. It dissolves in water in the presence of excess of carbon dioxide to form strontium hydrocarbonate Sr(HCO3)2. Upon heating strontium carbonate decomposes to form strontium oxide SrO and carbon dioxide CO2.

Production.

Strontium carbonate is manufactured commercially by precipitation of strontium sulfate or nitrate with sodium carbonate Na2CO3 or ammonium carbonate (NH4)2CO3:

Na2CO3 + Sr(NO3)2 --> SrCO3 + 2NaNO3

Uses.

  • as starting component in making oxide-coated cathodes for electric vacuum devices;
  • in manufacturing of glasses for color TV displays and monitors as a protection from X-rays;
  • to prepare ferrostrontium powders used to make ceramic hard ferrites;
  • to produce zinc which is free of led contaminations by electrolysis;
  • in glass and ceramics industry to make fireproof ceramics and glazes;
  • in pyrotechnics;
  • as a feedstock to manufacture other strontium compounds, such as strontium chromate, strontium chloride, metal strontium and others;

  • Manufacturer(s) JSC B.P. Konstantinov Kirovo-Chepetsk Chemical Plant
    Chemical structure of strontium carbonate

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