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Study of acid-base properties of morin by tristimulus colorimetry

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Abstract

Acid-base properties of morin in aqueous solutions have been studied by means of chemical tristimulus colorimetry, and the ionization constants have been determined. The pK values have been assigned to the corresponding functional groups, and their dissociation scheme has been suggested. Diagram of distribution of ionic and molecular forms of morin at pH 1–13 has been constructed. Spectral parameters of equilibrium acid-base forms of morin have been determined.

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Authors and Affiliations

  1. Mechnikov Odessa National University, ul. Dvoryanskaya 2, Odessa, 65082, Ukraine

    A. N. Chebotarev & D. V. Snigur

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  1. A. N. Chebotarev
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  2. D. V. Snigur
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Correspondence to A. N. Chebotarev.

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Original Russian Text © A.N. Chebotarev, D.V. Snigur, 2016, published in Zhurnal Obshchei Khimii, 2016, Vol. 86, No. 4, pp. 627–633.

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Chebotarev, A.N., Snigur, D.V. Study of acid-base properties of morin by tristimulus colorimetry. Russ J Gen Chem 86, 815–820 (2016). https://doi.org/10.1134/S1070363216040095

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