Solubility of fine particles of strontium sulfate
Technical Report
·
OSTI ID:5656453
The Ostwald-Freundlich equation for the solubility of fine particles was extended to crystals of any geometry with any number of different interfacial tensions. Measuring the particle sizes by electron microscopy, the solubility of SrSO/sub 4/ particles in the colloidal range was investigated by a tracer method at 25.0/sup 0/C. Results are in good agreement with the theory. The smallest particles in a given population appear to control the solubility. The solid SrSO/sub 4//solution mean interfacial tension was calculated as 84 +- 8 erg. cm./sup -2/ at 25.0/sup 0/C against a much higher value given in the literature, which is considered to be in error. From precipitation experiments the size of SrSO/sub 4/ nuclei is estimated to be ca. 18A/sup 0/.
- Research Organization:
- Princeton Univ., NJ (USA)
- DOE Contract Number:
- AA02-78CH00033
- OSTI ID:
- 5656453
- Report Number(s):
- NYO-6000; ON: DE84003472
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
ALKALINE EARTH METAL COMPOUNDS
COLLOIDS
DATA
DISPERSIONS
EXPERIMENTAL DATA
HYDROGEN COMPOUNDS
INFORMATION
INTERFACES
NUMERICAL DATA
OXYGEN COMPOUNDS
PARTICLE SIZE
SIZE
SOLUBILITY
STRONTIUM COMPOUNDS
STRONTIUM SULFATES
SULFATES
SULFUR COMPOUNDS
SURFACE PROPERTIES
SURFACE TENSION
WATER
400201* -- Chemical & Physicochemical Properties
ALKALINE EARTH METAL COMPOUNDS
COLLOIDS
DATA
DISPERSIONS
EXPERIMENTAL DATA
HYDROGEN COMPOUNDS
INFORMATION
INTERFACES
NUMERICAL DATA
OXYGEN COMPOUNDS
PARTICLE SIZE
SIZE
SOLUBILITY
STRONTIUM COMPOUNDS
STRONTIUM SULFATES
SULFATES
SULFUR COMPOUNDS
SURFACE PROPERTIES
SURFACE TENSION
WATER