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. shu

Modulation of Tartrates with Various Counterions on the Phases of Calcium Oxalate in Gelatinous Systems

Institute of Biomineralization and Lithiasis Research, Jinan University, Guangzhou 510632

Received Date: 18 November 2003

Fund Project: This research work was granted by the Key Project of Guangdong Province (013202, C31401), and the Key Project of Natural Science Foundation of China (20031010).

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.
- Calcium oxalate,
- gel,
- tartrate.
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