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Citation: Lin Hua-Kuan, Liu Zai-Jun, Tang Xiang-Hai, Chen Rong-Ti. Further Study of Linear Free Energy Relationships in Complex Compounds[J]. Acta Physico-Chimica Sinica, ;1993, 9(04): 565-568. doi: 10.3866/PKU.WHXB19930427 shu

Further Study of Linear Free Energy Relationships in Complex Compounds

1.
Department of Chemistry, Nankai University, Tianjin 300071

Received Date: 2 December 1991
Available Online: 15 August 1993

The stability constants of binary complex eompounds formed by Ni(Ⅱ), Co(Ⅱ), Zn(Ⅱ)-N-(meta or para substituted phenyl) Iminodiacetic acid (m or p-RPhIDA) and of ternary complex compounds formed by Ni(Ⅱ), Co(Ⅱ), Zn(Ⅱ)-RPhIDA-Nitrilo-triacetic acid (NTA) were determined by pH method at 25±0.1 ℃ in the presence of 0.1 mol·dm~(-3)BaC_(10)_4. Their results were calculated by TITFIT program. It was found that linear free energy relationships did exist between the stability of there binary and ternary complex compounds and the base strengths of Ligands RPhIDA.
- LFER; Stability; RPhIDA; NTA
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