STRONTIUM CARBONATE FINE PARTICLE

STRONTIUM CARBONATE FINE PARTICLE

PROBLEM TO BE SOLVED: To provide strontium carbonate particles composed of fine particles, also having a reduced variation in particle sizes and useful as the raw material for a dielectric ceramic material. SOLUTION: The strontium carbonate fine particles are obtained by bringing strontium hydroxide...

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Bibliographische Detailangaben
Hauptverfasser: MITO HITOSHI, MISUMI OSAMU, ICHIMURA YOJIRO
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS
INORGANIC CHEMISTRY
METALLURGY
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide strontium carbonate particles composed of fine particles, also having a reduced variation in particle sizes and useful as the raw material for a dielectric ceramic material. SOLUTION: The strontium carbonate fine particles are obtained by bringing strontium hydroxide into carbonation reaction in an aqueous medium. The average in the diameter of the equivalent circle in the projected area lies in the range of 0.05 to 0.20 μm, and the coefficient of variation in the diameter of the equivalent circle in the projected area lies within 20%. COPYRIGHT: (C)2006,JPO&NCIPI