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Indicator method for the determination of the degree of dissociation of aryl sulfonic acids in aqueous solution

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Bulletin of the Academy of Sciences of the USSR, Division of chemical science Aims and scope

Conclusions

  1. 1.

    The relative concentrations of the unprotonated and protonated forms of 2-nitroaniline have been determined together with its solubility and the activity coefficients of the protonated form in aqueous solutions of p-xylenesul.fonic acid at 25‡C.

  2. 2.

    Using the example of p-xylenesulfonic acid a method has been developed for the determination of the degree of dissociation of aryl sulfonic acids in concentrated aqueous solutions.

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Literature cited

  1. Handbook for Chemists, Vol. 3, Khimiya, Moscow-Leningrad (1965), pp. 86, 94.

  2. H. Cerfontain, Mechanistic Aspects in Aromatic Sulfonation and Desulfonation, Interscience, New York (1968).

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  3. Beilstein's Handbuch der Organischen Chemie, Vol. 11, Berlin, p. 127.

  4. S. G. Sysoeva, I. S. Kislina, and M. I. Vinnik, Izv. Akad. Nauk SSSR., Ser. Khim., 286 (1987).

  5. S. G. Sysoeva, I. S. Kislina, and M. I. Vinnik, Izv. Akad. Nauk SSSR, Ser. Khim., 989 (1987).

  6. M. I. Vinnik, I. S. Kislina, and N. B. Librovich, Dokl. Akad. Nauk SSSR,251, 138 (1980).

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Translated from Izvestiya Akademii Nauk SSSR, No. 2, pp. 309–313, February, 1988.

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Vinnik, M.I., Smirnov, A.I. & Kislina, I.S. Indicator method for the determination of the degree of dissociation of aryl sulfonic acids in aqueous solution. Russ Chem Bull 37, 235–238 (1988). https://doi.org/10.1007/BF00957416

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  • DOI: https://doi.org/10.1007/BF00957416

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