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1963, 02, 42-49
极谱法同时测定各级络离子的稳定常数和扩散系数Ⅱ——一种计算络合物稳定常数的新方法
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DOI: 10.16441/j.cnki.hdxb.1963.02.004
摘要:

<正> 早在1904年Euler用电位法对亚铊离子与硫代硫酸根体系作了研究,测得溶液中有Tl(S_2O3)2---存在,并得其稳定常数为1.26×103。Brintzinger和Eckardt用渗析法证明溶液中有Tl2(S_2O3)2--存在,但未测定稳定常数。等先后用极谱法和溶解度法分别重新作了研究,结果皆证明溶液中只有TlS_2O3

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Abstract:

This articl has proposed a new method for the determtnation of the successive stability constants of complex ions.The stability constants and diffusion coefficient may be found as follow;Let us definethenDefine Thus we have:We also define the other set of auxiliary function by puttingDefineThus we havefrom which the successive stability constants Kp and diffusion coefficients can be evaluated.As an illustration of the proposed method of treatment,the diffusion current and half wave potentials of complexes of thallous-thiosul-phatesystem have been determined,and successive stability constants and diffusion coefficient of complex ions T1 (S2O3 ) n (n=1,2) have been found to be:

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参考文献

(1) H.Euler, Ber., 1904, 37, 1704.

(2) H.Brintzinger and W.Eckardt., Z.anorg. Chem. 227. 107 (1936)

(3) M.C.20. 615 (1954)

(4) M.S.Novakovskii (即) and A.P.Ryazaantsevs., Referat Zhur Khim., 1955. 5457. C.A. 50 16525i (1956)

(5) J.Bjerrum, G.Schwarzenbach and L.G.Sillen., stability Constants,PartⅡ, Inorganic Ligands, PⅢ London.

(6) 徐光宪、蒋洪圻,化学学报,24,277(1958)

(7) 张正斌、刘莲生,化学学报,26,148(1960)

(8) 张正斌、刘莲生,山东海洋学院学报,1963年,第2期,25-41页。

基本信息:

DOI:10.16441/j.cnki.hdxb.1963.02.004

引用信息:

[1].极谱法同时测定各级络离子的稳定常数和扩散系数Ⅱ——一种计算络合物稳定常数的新方法[J].山东海洋学院学报,1963(02):42-49.DOI:10.16441/j.cnki.hdxb.1963.02.004.

发布时间:

1963-07-02

出版时间:

1963-07-02

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