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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">vestich</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Национальной академии наук Беларуси. Серия химических наук</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of the National Academy of Sciences of Belarus, Chemical Series</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-8331</issn><issn pub-type="epub">2524-2342</issn><publisher><publisher-name>The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">vestich-225</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ХИМИЯ ВЫСОКОМОЛЕКУЛЯРНЫХ СОЕДИНЕНИЙ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>POLYMER CHEMISTRY</subject></subj-group></article-categories><title-group><article-title>ОПРЕДЕЛЕНИЕ СОСТАВА МАКРОМОЛЕКУЛЯРНЫХ КОМПЛЕКСОВ МИКРОЭЛЕМЕНТОВ С СОПОЛИМЕРОМ АКРИЛАМИДА И АКРИЛАТА НАТРИЯ МЕТОДОМ СПЕКТРОСКОПИИ ЯМР  13С</article-title><trans-title-group xml:lang="en"><trans-title>STRUCTURE DETERMINATION OF THE MACROMOLECULAR COMPLEXES OF MICROELEMENTS WITH ACRYLAMIDE AND SODIUM ACRYLATE COPOLYMERS BY 13C NMR SPECTROSCOPY</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Фомина</surname><given-names>Е. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Fomina</surname><given-names>E. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>ст. науч. сотрудник.</p></bio><bio xml:lang="en"><p>Senior Researcher.</p></bio><email xlink:type="simple">famina@bsu.by</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Круль</surname><given-names>Л. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Krul</surname><given-names>L. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д-р хим. наук, проф., зав. кафедрой химии высокомолекулярных соединений.</p></bio><bio xml:lang="en"><p>D. Sc. (Chemistry), Professor, Head of the Department of macromolecular chemistry.</p></bio><email xlink:type="simple">krul@bsu.by</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бутовская</surname><given-names>Г. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Butovskaya</surname><given-names>G. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. хим. наук, доцент, вед. науч. сотрудник.</p></bio><bio xml:lang="en"><p>Ph. D. (Chemistry), Associate Professor, Senior Researcher.</p></bio><email xlink:type="simple">galina_butovskaya@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гринюк</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Grinyuk</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. хим. наук, доцент.</p></bio><bio xml:lang="en"><p>Ph. D. (Chemistry), Associate Professor.</p></bio><email xlink:type="simple">grinyuk@tut.by</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шахно</surname><given-names>О. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Shahno</surname><given-names>O. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>науч. сотрудник</p></bio><bio xml:lang="en"><p>Senior Researcher.</p></bio><email xlink:type="simple">shahno1990@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Скаковский</surname><given-names>Е. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Skakovsky</surname><given-names>E. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. хим. наук, доцент, зав. лаб. физ.-хим. методов исследований.</p></bio><bio xml:lang="en"><p>Ph. D. (Chemistry), Associate Professor, Head of the Laboratory.</p></bio><email xlink:type="simple">sed@ifoch.bas-net.by</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Тычинская</surname><given-names>Л. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Tychinskaya</surname><given-names>L. Y.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. хим. наук, доцент, вед. науч. сотрудник</p></bio><bio xml:lang="en"><p>Ph. D. (Chemistry), Associate Professor, Senior Researcher.</p></bio><email xlink:type="simple">sed@ifoch.bas-net.by</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>НИИ физико-химических проблем БГУ</institution></aff><aff xml:lang="en"><institution>Research Institute for Physical Chemical Problems of the Belarusian State University</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Белорусский государственный университет</institution></aff><aff xml:lang="en"><institution>Belarussian State University</institution></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Институт физико-органической химии НАН Беларуси</institution></aff><aff xml:lang="en"><institution>Institute of Physical Organic Chemistry of the National Academy of Sciences of Belarus</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2016</year></pub-date><pub-date pub-type="epub"><day>18</day><month>01</month><year>2017</year></pub-date><volume>0</volume><issue>4</issue><fpage>80</fpage><lpage>90</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Фомина Е.К., Круль Л.П., Бутовская Г.В., Гринюк Е.В., Шахно О.В., Скаковский Е.Д., Тычинская Л.Ю., 2017</copyright-statement><copyright-year>2017</copyright-year><copyright-holder xml:lang="ru">Фомина Е.К., Круль Л.П., Бутовская Г.В., Гринюк Е.В., Шахно О.В., Скаковский Е.Д., Тычинская Л.Ю.</copyright-holder><copyright-holder xml:lang="en">Fomina E.K., Krul L.P., Butovskaya G.V., Grinyuk E.V., Shahno O.V., Skakovsky E.D., Tychinskaya L.Y.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://vestichem.belnauka.by/jour/article/view/225">https://vestichem.belnauka.by/jour/article/view/225</self-uri><abstract><p>Методом спектроскопии ЯМР  13C установлено, что в состав макромолекулярных комплексов микроэлементов (меди, кобальта) с сополимерами акриламида и акрилата натрия в качестве лиганда входит только карбоксилатная функциональная группа макромолекулы. Показано, что высокая лабильность исследованных комплексов препятствует установлению их количественного состава методом спектроскопии ЯМР  13C. При определении качественного состава макромолекулярных комплексов методом спектроскопии ЯМР  13 C условия проведения эксперимента (в первую очередь отношение концентраций функциональных групп сополимера, участвующих в комплексообразовании, и ионов металлов) необходимо подбирать с учетом величины парамагнитности иона микроэлемента. Обнаружено, что на взаимодействие ионов меди с карбоксилатной группой сополимера с образованием макромолекулярного комплексавлияет рН раствора. При переходе от нейтральной среды к кислой (рН  5) взаимодействие усиливается, а в щелочной среде (рН  9) комплекс практически не образуется.</p></abstract><trans-abstract xml:lang="en"><p>The structure of macromolecular complexes of microelements (copper, cobalt) with copolymers of acrylamide and sodium acrylate has been shown by 13C  NMR spectroscopy to include only the carboxylate functional group of the macromolecule as a ligand. The stoichiometry of the complexes studied could not be determined by 13C NMR spectroscopy due to a high lability of the complexes. In determining the qualitative structure of macromolecular complexes by 13C  NMR spectroscopy experimental conditions (primarily the concentration ratio of the functional groups of the copolymer involved in the complexation, and metal ions) must be selected considering a paramagnetism value of the metal ion. It was found that the solution’s pH influences on the interaction of copper ion with a carboxylate group of the copolymer to form a macromolecular complex. Interaction increasesin the transition from the neutral to acidic (pH  5) medium, and complex practically not formed in alkaline medium (pH 9).</p></trans-abstract><kwd-group xml:lang="ru"><kwd>макромолекулярные металлокомплексы</kwd><kwd>сополимер акриламида с акрилатом натрия</kwd><kwd>спектроскопия ЯМР 13C</kwd><kwd>парамагнитные ионы Cu(II)</kwd><kwd>Mn(II)</kwd><kwd>Co(II)</kwd></kwd-group><kwd-group xml:lang="en"><kwd>macromolecular metal complexes</kwd><kwd>copolymer of acrylamide with sodium acrylate</kwd><kwd>13C  NMR spectroscopy</kwd><kwd>paramagnetic ions of Cu(II)</kwd><kwd>Mn(II)</kwd><kwd>Co(II)</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Wöhrle, D. 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