引用本文:
夏海涛, 林华宽, 陈荣悌. 钴(II)-联吡啶-α-氨基酸的热力学和动力学研究[J]. 物理化学学报,
1995, 11(01): 74-78.
doi:
10.3866/PKU.WHXB19950115
Citation: Xia Hai-Tao, Lin Hua-Kuan, Chen Rong-Ti. Thermodynamic and Kinetic Study on the Formation of Ternary Complex of Cobalt(II)-Bipyridyl-α-Aminoacids[J]. Acta Physico-Chimica Sinica, 1995, 11(01): 74-78. doi: 10.3866/PKU.WHXB19950115
Citation: Xia Hai-Tao, Lin Hua-Kuan, Chen Rong-Ti. Thermodynamic and Kinetic Study on the Formation of Ternary Complex of Cobalt(II)-Bipyridyl-α-Aminoacids[J]. Acta Physico-Chimica Sinica, 1995, 11(01): 74-78. doi: 10.3866/PKU.WHXB19950115
English
Thermodynamic and Kinetic Study on the Formation of Ternary Complex of Cobalt(II)-Bipyridyl-α-Aminoacids
Abstract:
Thermodynamic property of the title complex compounds was studide by pH method. The stability constants of binary and ternary complexes of cobalt(Ⅱ )-bipyridyl-α-amionoacids were determined at 25.0±0.1 ℃ in the presence of 0.1mol•dm-3 KNO3. The relationships between stability of complexes and strength of d-p back-donation bonding formed for cobalt(Ⅱ )-bipyridyl were discussed. The kinetic property of ternary system was studied by temperature-jump technique. The formation rate constants of ternary complexes were determined. The results show that thermodynamic stability and reaction rate related to the strength of acid and base of legends. It was found again that linear free energy relationships exist.
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Key words:
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Stubility
- / Reaction rate
- / Cobalt(II)
- / Bipyridyl
- / α-Aminoacid
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