引用本文:
牛春吉, 赵淑富, 王增林, 马建方, 赵晖, 倪嘉缵. 铽、钙的L-谷氨酸和L-苏氨酸三元配合物的研究[J]. 应用化学,
1996, 13(3): 93-95.
Citation: Niu Chunji, Zhao Shufu, Wang Zenglin, Ma Jianfang, Zhao Hui, Ni Jiazuan. Study on Tb(Ⅲ),Ca(Ⅱ)Ternary Complexes with L-Glutamic Acid and L-Threonine[J]. Chinese Journal of Applied Chemistry, 1996, 13(3): 93-95.
Citation: Niu Chunji, Zhao Shufu, Wang Zenglin, Ma Jianfang, Zhao Hui, Ni Jiazuan. Study on Tb(Ⅲ),Ca(Ⅱ)Ternary Complexes with L-Glutamic Acid and L-Threonine[J]. Chinese Journal of Applied Chemistry, 1996, 13(3): 93-95.
铽、钙的L-谷氨酸和L-苏氨酸三元配合物的研究
English
Study on Tb(Ⅲ),Ca(Ⅱ)Ternary Complexes with L-Glutamic Acid and L-Threonine
Abstract:
Tb(Ⅲ)/Ca(Ⅱ)-L-glutamic acid-L-threonine systems were studied at 37℃ and in solution with an ionic strength of 0.15 mol/L(NaCl)by potentiometric titration.The stability constants of Tb(Ⅲ),Ca(Ⅱ)complexes with L-glutamic acid and L-threonine were obtained.Results show that Tb(Ⅲ),Ca(Ⅱ)ternary complexes are the main species among all species in ternary systems and that Tb(Ⅲ)complexes are more stable than Ca(Ⅱ)complexes.
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Key words:
- terbium
- / calcium
- / L-threonine
- / L-glutamic acid
- / ternary complex
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