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- Title
Synthesis and thermal behaviour of alkaline earth cyclo-octaphosphates.
- Authors
Watanabe, M.; Yoshida, K.; Sakurai, M.; Sato, S.
- Abstract
Hydrated alkaline earth cyclo-octaphosphates were made by adding an aqueous solution of alkaline earth chlorides into an aqueous solution of sodium cyclo-octaphosphate. Thermal properties of the compounds were studied by TG-DTA analysis. The water of crystallization was removed below 200°C. The cyclo-octaphosphates decomposed to produce many phosphate species up to about 500°C, and they finally reorganized to metaphosphates. The overall thermal reaction of alkaline earth cyclo-octaphosphates can be written by the equation. M4(PO3)8 · nH2O → 4M(PO3)2 + nH2O
- Subjects
ALKALINE earth chlorides; THERMAL analysis; SODIUM; WATER of crystallization; GEOTHERMAL reactors; ALKALINE earth metals
- Publication
Journal of Materials Science, 1998, Vol 33, Issue 23, p5601
- ISSN
0022-2461
- Publication type
Article
- DOI
10.1023/A:1004412131566