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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">vetpress</journal-id><journal-title-group><journal-title xml:lang="ru">Аграрная наука</journal-title><trans-title-group xml:lang="en"><trans-title>Agrarian science</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0869-8155</issn><issn pub-type="epub">2686-701X</issn><publisher><publisher-name>Редакция журнала "Аграрная наука"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.32634/0869-8155-2020-334-1-13-16</article-id><article-id custom-type="elpub" pub-id-type="custom">vetpress-993</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>ВЕТЕРИНАРИЯ. ВЕТЕРИНАРНАЯ ФАРМАКОЛОГИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>VETERINARY SCIENCE. VETERINARY PHARMACOLOGY</subject></subj-group></article-categories><title-group><article-title>Использование гексацианоферрата (III) калия в качестве внутреннего стандарта при количественном определении кетопрофена методом КР-спектроскопии</article-title><trans-title-group xml:lang="en"><trans-title>Quantitative analysis by Raman spectroscopy using potassium hexacyanoferrate (III) as an internal standard</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>Хрущев</surname><given-names>А. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Khrushchev</surname><given-names>A. Y.</given-names></name></name-alternatives><bio xml:lang="ru"/><bio xml:lang="en"/><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Акмаев</surname><given-names>Э. Р.</given-names></name><name name-style="western" xml:lang="en"><surname>Akmaev</surname><given-names>E. R.</given-names></name></name-alternatives><bio xml:lang="ru"/><bio xml:lang="en"/><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бондаренко</surname><given-names>В. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Bondarenko</surname><given-names>V. O.</given-names></name></name-alternatives><bio xml:lang="ru"/><bio xml:lang="en"/><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Метлин</surname><given-names>А. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Metlin</surname><given-names>A. E.</given-names></name></name-alternatives><bio xml:lang="ru"/><bio xml:lang="en"/><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБУ «Всероссийский государственный Центр качества и стандартизации лекарственных средств для животных и кормов»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>The Russian State Center for Animal Feed and Drug Standardization and Quality</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>07</day><month>03</month><year>2020</year></pub-date><volume>0</volume><issue>1</issue><fpage>13</fpage><lpage>16</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Хрущев А.Ю., Акмаев Э.Р., Бондаренко В.О., Метлин А.Е., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Хрущев А.Ю., Акмаев Э.Р., Бондаренко В.О., Метлин А.Е.</copyright-holder><copyright-holder xml:lang="en">Khrushchev A.Y., Akmaev E.R., Bondarenko V.O., Metlin A.E.</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.vetpress.ru/jour/article/view/993">https://www.vetpress.ru/jour/article/view/993</self-uri><abstract><p>В данной статье нами предложен метод количественного определения кетопрофена в лекарственном препарате с помощью спектроскопии комбинационного рассеяния света с использованием гексацианоферрата (III) калия в качестве внутреннего стандарта. Точность данного метода была продемонстрирована на примере количественного определения кетопрофена в лекарственном препарате для ветеринарного применения. Вычисление метрологических параметров методики доказывает применимость предложенного метода градуировки. Также было изучено влияние расфокусировки лазерного пучка на воспроизводимость результатов измерения. Предложенный метод является более быстрым способом количественного определения, по сравнению с анализом методом ВЭЖХ.</p></abstract><trans-abstract xml:lang="en"><p>In this article we proposed a method for quantitative determination of active substance in pharmaceuticals via Raman scattering using potassium ferricyanide as internal standard. We approved this method in ketoprophenum quantitative determination in drug for veterinary use “Ketojekt”. The calculation of metrological requirements of procedures are established proposed method of calibration. Either we demonstrated the focalisation factor of laser beam affects on the method reproducibility. The method provides a precise, rapid, convenient to quantitative analysis that is more effective than the standard HPLC assay.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>комбинационное рассеяние света</kwd><kwd>внутренний стандарт</kwd><kwd>количественное определение</kwd><kwd>лекарственные препараты</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Raman scattering</kwd><kwd>internal standard</kwd><kwd>quantitative determination</kwd><kwd>pharmaceuticals</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">M. R. Witkowski, American pharmaceutical review, Volume 8, Issue 1, 56-62 (2005).</mixed-citation><mixed-citation xml:lang="en">M. R. 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