Citation:
Jian Ming OUYANG, Xiang Ping LI. Modulation of Tartrates with Various Counterions on the Phases of Calcium Oxalate in Gelatinous Systems[J]. Chinese Chemical Letters,
;2005, 16(1): 131-134.
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Effect of various counterions of tartrate on the crystallization of calcium oxalate in gel system was investigated using scanning electron microscopy and X-ray diffraction. Various tartrates with hydrogen (H2tart), sodium (Na2tart), potassium (K2tart), ammonium ((NH4)2tart), and a mixture of sodium and potassium cations (NaKtart) were considered. For H2tart, Na2tart, and (NH4)2tart, calcium oxalate dihydrate (COD) was induced. However, for K2tart and NaKtart,calcium oxalate trihydrate (COT) was obtained.
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Keywords:
- Calcium oxalate,
- gel,
- tartrate.
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