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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">10.26896/1028-6861-2022-88-1-I-14-24</article-id><article-id custom-type="elpub" pub-id-type="custom">zldm-1557</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>Определение полиорганосилоксанов (по кремнию) в воде методом экстракционно-атомно-абсорбционной спектрометрии высокого разрешения с источником непрерывного спектра и электротермической атомизацией</article-title><trans-title-group xml:lang="en"><trans-title>Determination of polyorganosiloxanes (by silicon) in water by extraction high-resolution continuum source electrothermal atomic absorption spectrometry</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>Штин</surname><given-names>Т. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Shtin</surname><given-names>T. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Татьяна Николаевна Штин</p><p>620014, г. Екатеринбург, ул. Попова, д. 30</p></bio><bio xml:lang="en"><p>Tat’yana N. Shtin</p><p>30, ul. Popova, 620014, Yekaterinburg</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>Гурвич</surname><given-names>В. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Gurvich</surname><given-names>V. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Владимир Борисович Гурвич</p><p>620014, г. Екатеринбург, ул. Попова, д. 30</p></bio><bio xml:lang="en"><p>Vladimir B. Gurvich</p><p>30, ul. Popova, 620014, Yekaterinburg</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>Галашева</surname><given-names>О. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Galasheva</surname><given-names>O. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Оксана Евгеньевна Галашева</p><p>620014, г. Екатеринбург, ул. Попова, д. 30</p></bio><bio xml:lang="en"><p>Oksana E. Galasheva</p><p>30, ul. Popova, 620014, Yekaterinburg</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>Шеломенцев</surname><given-names>И. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Shelomentsev</surname><given-names>I. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Иван Глебович Шеломенцев</p><p>620014, г. Екатеринбург, ул. Попова, д. 30</p></bio><bio xml:lang="en"><p>Ivan G. Shelomentsev</p><p>30, ul. Popova, 620014, Yekaterinburg</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>Неудачина</surname><given-names>Л. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Neudachina</surname><given-names>L. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Людмила Константиновна Неудачина</p><p>620002, г. Екатеринбург, ул. Мира, д. 19</p></bio><bio xml:lang="en"><p>Lyudmila K. Neudachina</p><p>19, ul. Mira, 620002, Yekaterinburg</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>Штин</surname><given-names>С. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Shtin</surname><given-names>S. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сергей Анатольевич Штин</p><p>620002, г. Екатеринбург, ул. Мира, д. 19</p></bio><bio xml:lang="en"><p>Sergei A. Shtin</p><p>19, ul. Mira, 620002, Yekaterinburg</p></bio><email xlink:type="simple">Sergey.Shtin@urfu.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Екатеринбургский медицинский научный центр профилактики и охраны здоровья рабочих промпредприятий Роспотребнадзора</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Yekaterinburg Medical Research Center for Prophylaxis and Health Protection in Industrial Workers</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Уральский федеральный университет им. первого Президента России Б. Н. Ельцина</institution><country>Россия</country></aff><aff xml:lang="en"><institution>The first President of Russia B. N. Yeltsin Ural Federal University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>18</day><month>01</month><year>2022</year></pub-date><volume>88</volume><issue>1(I)</issue><fpage>14</fpage><lpage>24</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Штин Т.Н., Гурвич В.Б., Галашева О.Е., Шеломенцев И.Г., Неудачина Л.К., Штин С.А., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Штин Т.Н., Гурвич В.Б., Галашева О.Е., Шеломенцев И.Г., Неудачина Л.К., Штин С.А.</copyright-holder><copyright-holder xml:lang="en">Shtin T.N., Gurvich V.B., Galasheva O.E., Shelomentsev I.G., Neudachina L.K., Shtin S.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/1557">https://www.zldm.ru/jour/article/view/1557</self-uri><abstract><p>Предложена методика определения полиорганосилоксанов (по кремнию) в воде методом электротермической атомно-абсорбционной спектрометрии высокого разрешения с источником непрерывного спектра (НИ-ВР-ЭТААС) с предварительной экстракцией аналитов бензолом. С использованием образца ливневых вод оптимизированы параметры температурно-временной программы атомизатора. Для устранения химических помех при определении кремния графитовые кюветы модифицированы перманентным модификатором (вольфраматом натрия) с образованием карбидного покрытия. Термическая стабилизация кремния в графитовой печи достигнута в присутствии смешанного палладиево-магниевого модификатора в нитратной форме. Разработанный способ анализа применен для определения полиорганосилоксанов (по кремнию) в образцах природных вод: точность результатов анализа подтверждена методом добавок. Оценены метрологические характеристики методики для диапазона определяемых содержаний кремния 0,01 – 100 мг/дм3.</p></abstract><trans-abstract xml:lang="en"><p>A method for the determination of polyorganosiloxanes (by silicon) in water using high-resolution electrothermal atomic absorption spectrometry with a continuous spectrum source and preliminary extraction of polyorganosiloxanes by benzene from the analyzed sample is proposed. The quantitative determination of polyorganosiloxanes (by silicon) was carried out on a contrAA® 700 atomic absorption spectrometer in a cross-heating furnace. Natural water was used to optimize the parameters of the temperature – time program of the atomizer. To eliminate chemical interference during silicon determination by proposed method, graphite cuvettes were modified with a permanent modifier to form a carbide coating. A solution of sodium tungstate was used as a permanent modifier. Thermal stabilization of silicon in a graphite furnace was achieved in the presence of a mixed palladium-magnesium modifier in the nitrate form. The accuracy of the results was confirmed by spike test. The developed method of analysis was used to determine the content of polyorganosiloxanes (by silicon) in natural water. The metrological characteristics of the method were assessed in the range of determined silicon contents 0.01 – 100 mg/dm3.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>экстракция</kwd><kwd>ЭТААС</kwd><kwd>источник непрерывного спектра</kwd><kwd>кремний</kwd><kwd>полиорганосилоксаны</kwd><kwd>микропластики</kwd><kwd>вода</kwd></kwd-group><kwd-group xml:lang="en"><kwd>extraction</kwd><kwd>high-resolution continuum source electrothermal atomic absorption spectrometry (HR-CS ET AAS)</kwd><kwd>silicon</kwd><kwd>polyorganosiloxanes</kwd><kwd>microplastics</kwd><kwd>water</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">В работе использовали оборудование испытательного лабораторного центра (ИЛЦ) ФБУН ЕМНЦ ПОЗРПП Роспотребнадзора (г. Екатеринбург, Россия).</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">ГОСТ 13032–77. 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