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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">zldm</journal-id><journal-title-group><journal-title xml:lang="ru">Заводская лаборатория. Диагностика материалов</journal-title><trans-title-group xml:lang="en"><trans-title>Industrial laboratory. Diagnostics of materials</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1028-6861</issn><issn pub-type="epub">2588-0187</issn><publisher><publisher-name>ООО «Издательство «ТЕСТ-ЗЛ»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.26896/1028-6861-2020-86-10-5-9</article-id><article-id custom-type="elpub" pub-id-type="custom">zldm-1292</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>АНАЛИЗ ВЕЩЕСТВА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>SUBSTANCES ANALYSIS</subject></subj-group></article-categories><title-group><article-title>Сорбция Se (IV) из водных растворов и его определение рентгенофлуоресцентным методом</article-title><trans-title-group xml:lang="en"><trans-title>Sorption of Se (IV) from aqueous solutions with subsequent determination by X-ray fluorescence analysis</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>Филатова</surname><given-names>Д. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Filatova</surname><given-names>D. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Дарья Геннадьевна Филатова</p><p>119991, Москва, ГСП-1, ул. Ленинские горы, д. 1, стр. 3</p></bio><bio xml:lang="en"><p>Darija G. Filatova</p><p>Department of Chemistry</p><p>GSP-1, 1-3 Leninskiye Gory, Moscow, 119191</p></bio><email xlink:type="simple">gak1.analyt@gmail.com</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>Архипенко</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Arkhipenko</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Александра Александровна Архипенко</p><p>119991, Москва, ГСП-1, ул. Ленинские горы, д. 1, стр. 3</p></bio><bio xml:lang="en"><p>Alexandra A. Arkhipenko</p><p>Department of Chemistry</p><p>GSP-1, 1-3 Leninskiye Gory, Moscow, 119191</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Статкус</surname><given-names>М. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Statkus</surname><given-names>M. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Михаил Александрович Статкус</p><p>119991, Москва, ГСП-1, ул. Ленинские горы, д. 1, стр. 3</p></bio><bio xml:lang="en"><p>Mikhail A. Statkus</p><p>Department of Chemistry</p><p>GSP-1, 1-3 Leninskiye Gory, Moscow, 119191</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Еськина</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Es’kina</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Василина Витальевна Еськина</p><p>119017, Москва, Большой Толмачевский переулок, д. 5, стр. 1.</p></bio><bio xml:lang="en"><p>Vasilina V. Es’kina</p><p>5-1 B. Tolmachevsky per., Moscow, 119017</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Барановская</surname><given-names>В. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Baranovskaya</surname><given-names>V. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Василиса Борисовна Барановская</p><p>119991, Москва, Ленинский просп., д. 31.</p></bio><bio xml:lang="en"><p>Vasilisa B. Baranovskaya</p><p>31 Leninsky prosp., Moscow, 119991</p></bio><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Карпов</surname><given-names>Ю. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Karpov</surname><given-names>Yu. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Юрий Александрович Карпов</p><p>119991, Москва, Ленинский просп., д. 31.</p></bio><bio xml:lang="en"><p>Yury A. Karpov</p><p>31 Leninsky prosp., Moscow, 119991</p></bio><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Московский государственный университет имени М. В. Ломоносова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>M. V. Lomonosov Moscow State University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Государственный научно-исследовательский и проектный институт редкометаллической промышленности «Гиредмет»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>State Research and Design Institute of Rare-Metal Industry «Giredmet»</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Институт общей и неорганической химии им. Н. С. Курнакова Российской академии наук</institution><country>Россия</country></aff><aff xml:lang="en"><institution>N. S. Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>14</day><month>10</month><year>2020</year></pub-date><volume>86</volume><issue>10</issue><fpage>5</fpage><lpage>9</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Филатова Д.Г., Архипенко А.А., Статкус М.А., Еськина В.В., Барановская В.Б., Карпов Ю.А., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Филатова Д.Г., Архипенко А.А., Статкус М.А., Еськина В.В., Барановская В.Б., Карпов Ю.А.</copyright-holder><copyright-holder xml:lang="en">Filatova D.G., Arkhipenko A.A., Statkus M.A., Es’kina V.V., Baranovskaya V.B., Karpov Y.A.</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://www.zldm.ru/jour/article/view/1292">https://www.zldm.ru/jour/article/view/1292</self-uri><abstract><p>Предложен подход к сорбционному выделению Se (IV) из растворов на новом S,N-содержащем сорбенте с последующим определением аналита в фазе сорбента микрорентгенофлуоресцентным методом. Сорбент — сополиметиленсульфид-N-алкилметиленамин — синтезирован методом «змея в клетке» и устойчив в растворах кислот. Определены условия количественного извлечения Se (IV): сорбция в растворах 5 М HCl или 0,05 М HNO3 при нагревании до 60 °C, время контакта фаз — 1 ч. Остаточное содержание селена в растворе определяли методом масс-спектрометрии с индуктивно-связанной плазмой (ИСП-МС) по изотопу 82Se. Доказано отсутствие потерь селена и предложен механизм сорбционного взаимодействия в данных условиях. Методом микрорентгенофлуоресцентного анализа (микро-РФА) с картированием установлено равномерное распределение селена по поверхности сорбента. Показана возможность определения селена в фазе сорбента методом микро-РФА. При сравнении полученных результатов с результатами расчетов методом фундаментальных параметров установлено, что для получения правильных результатов определения селена в фазе сорбента методом РФА необходимо использование стандартных образцов сорбатов.</p></abstract><trans-abstract xml:lang="en"><p>An approach to sorptive separation of Se (IV) from solutions on a novel S,N-containing sorbent with subsequent determination of the analyte in the sorbent phase by micro-x-ray fluorescence method is presented. The sorbent copolymethylenesulfide-N-alkyl-methylenamine (CMA) was synthesized using «snake in the cage» procedure and proven to be stable in acid solutions. Conditions for quantitative extraction of Se (IV) were determined: sorption in 5 M HCl or 0.05 M HNO3 solutions when heated to 60°C, phase contact time being 1 h. The residual selenium content in the solution was determined by inductively coupled plasma mass spectrometry (ICP-MS) using 82Se isotope. The absence of selenium losses is proved and the mechanism of sorption interaction under specified conditions is proposed. The method of micro-x-ray fluorescence analysis (micro-RFA) with mapping revealed a uniform distribution of selenium on the sorbent surface. The possibility of determining selenium in the sorbent phase by micro-RFA is shown. When comparing the obtained results with the results of calculations by the method of fundamental parameters, it is shown the necessity of using standard samples of sorbates to obtain correct results of RFA determination of selenium in the sorbent phase.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>селен (IV)</kwd><kwd>S</kwd><kwd>N-содержащий сорбент</kwd><kwd>микро-РФА</kwd><kwd>микрорентгенофлуоресцентный анализ</kwd><kwd>картирование</kwd></kwd-group><kwd-group xml:lang="en"><kwd>selenium (IV)</kwd><kwd>S</kwd><kwd>N-containing sorbent</kwd><kwd>μ-XRF</kwd><kwd>micro-focus X-ray fluorescence analysis</kwd><kwd>mapping</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">Adedara I., Fabunmi A., Folashade C. Neuroprotective mechanisms of selenium against arsenic-induced behavioral impairments in rats / Neurotoxicology. 2020. Vol. 76. P. 99 – 110. 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