Abstract
The separation of a number of homo- and copolyarylenephthalides, which were converted into a colored ionized form, by adsorption chromatography using elution with 96% sulfuric acid was studied. A correlation between the color (degree of conjugation) and the adsorption ability of chromophore groups, which were formed upon the dissolution of the test compounds in H2SO4, was found: in the separation of a mixture of two polyarylenephthalides of the same type, a polymer whose chromophore group absorbs in the short-wave-length region of the spectrum was eluted first and the polyarylenephthalide with a deeper color was eluted next. The procedure developed allowed us to analyze the polymers in microgram amounts.
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Original Russian Text © V.A. Kraikin, A.F. Sunagatullin, N.G. Gileva, E.A. Sedova, S.N. Salazkin, 2008, published in Zhurnal Analiticheskoi Khimii, 2008, Vol. 63, No. 6, pp. 603–609.
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Kraikin, V.A., Sunagatullin, A.F., Gileva, N.G. et al. Chromatography of conjugated polymeric carbocations. J Anal Chem 63, 551–556 (2008). https://doi.org/10.1134/S1061934808060075
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DOI: https://doi.org/10.1134/S1061934808060075