引用本文:
林华宽, 古宗信, 周志芬, 陈荣悌. 竞争型三元配合物生成热的量热测定 镍(II)-草酸-甘氨酸三元体系[J]. 物理化学学报,
1991, 7(04): 467-470.
doi:
10.3866/PKU.WHXB19910417
Citation: Lin Hua-Kuan, Gu Zong-Xin, Zhou Zhi-Fen, Chen Rong-Ti. Calorimetric Determination of the Heat of Formation of Competitive Ternary Complex Compounds[J]. Acta Physico-Chimica Sinica, 1991, 7(04): 467-470. doi: 10.3866/PKU.WHXB19910417
Citation: Lin Hua-Kuan, Gu Zong-Xin, Zhou Zhi-Fen, Chen Rong-Ti. Calorimetric Determination of the Heat of Formation of Competitive Ternary Complex Compounds[J]. Acta Physico-Chimica Sinica, 1991, 7(04): 467-470. doi: 10.3866/PKU.WHXB19910417
竞争型三元配合物生成热的量热测定 镍(II)-草酸-甘氨酸三元体系
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关键词:
- 三元配合物; 生成热; 量热测定
English
Calorimetric Determination of the Heat of Formation of Competitive Ternary Complex Compounds
Abstract:
By utilizing the formation constants of Ni(Ⅱ)-Glycine binary complex compounds and the corresponding heats of formation from literature as well as the formation constants of Ni(Ⅱ)-Oxalate binary complex compounds and the corresponding heats of formation incorporating with the formation constants of Ni(Ⅱ)-Oxalate-Glycine competitive ternary complex compounds determined in our laboratory, the heats of formation of Ni(Ⅱ)-Oxalate-Glycine competitive ternary complex compounds have been determined at 25 ℃, I=0.1 mol·dm~(-3) (KNO_3) in aqueous solution by means of RD-1 model automatic conduction calorimeter. The results obtained are:
ΔH_(AB)~M=-14.3±2.0 kJ·mol~(-1)
ΔH_(A2B)~M=-27.0±2.0 kJ·mol~(-1)
ΔH_(AB2)~M=-40.2±2.0 kJ·mol~(-1)
ΔH_(AB)~M=-14.3±2.0 kJ·mol~(-1)
ΔH_(A2B)~M=-27.0±2.0 kJ·mol~(-1)
ΔH_(AB2)~M=-40.2±2.0 kJ·mol~(-1)
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