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В работе приведен сравнительный анализ сорбционных свойств гуминовых кислот, выделенных из верхового торфа Архангельской области и некоторых энтеросорбентов (активированный уголь, полисорб и фильтрум-СТИ) по отношению к ионам Pb и Zn. Структурно-функциональные особенности гуминовых кислот определяют их высокую связывающую активность и прочность связывания Pb, а также достаточно высокую селективность к Zn. На основании полученных результатов, делается вывод о перспективности разработки и применения препаратов на основе гуминовых кислот в качестве энтеросорбентов. The paper presents a comparative analysis of the sorption properties of humic acids isolated from the top peat of the Arkhangelsk region and some enterosorbents (activated carbon, polysorb, and filtrum) with respect to Pbions. The structural and functional features of humic acids determine their high lead-binding activity and the binding strength of the lead ion, which is indicated by the maximum values of the calculated constants Г∞ and K. It is shown that the degree of affinity of the Filtrum preparation to lead ions is higher than that for humic acids and other sorbents. The highest rate of absorption of lead ions was found for activated carbon and humic acids. Based on the results obtained, it is concluded that the development and use of humic acid-based drugs as enterosorbents used in acute lead poisoning is promising.

COMPARATIVE CHARACTERISTICS OF SORPTION ACTIVITY OF SAMPLES OF NATIVE HUMIC ACID AND SOME ENTEROSORBENTS