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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">zhps</journal-id><journal-title-group><journal-title xml:lang="ru">Журнал прикладной спектроскопии</journal-title><trans-title-group xml:lang="en"><trans-title>Zhurnal Prikladnoii Spektroskopii</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0514-7506</issn><publisher><publisher-name>B. I. Stepanov Institute of Physics of the National Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">zhps-620</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>Статьи</subject></subj-group></article-categories><title-group><article-title>ОПТИМИЗАЦИЯ РАБОЧИХ УСЛОВИЙ ПРИ ОПРЕДЕЛЕНИИ СКАНДИЯ В АЛЮМИНИЕВЫХ СПЛАВАХ МЕТОДОМ ОПТИЧЕСКОЙ ЭМИССИОННОЙ СПЕКТРОМЕТРИИ С ИНДУКТИВНО-СВЯЗАННОЙ ПЛАЗМОЙ</article-title><trans-title-group xml:lang="en"><trans-title>OPTIMIZATION OF OPERATIONAL CONDITIONS FOR SCANDIUM DETERMINATION IN ALUMINUM ALLOYS BY INDUCTIVELY COUPLED PLASMA OPTICAL EMISSION 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>Ningxin</surname><given-names>G.</given-names></name><name name-style="western" xml:lang="en"><surname>Ningxin</surname><given-names>G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Тяньцзинь, 300180</p></bio><bio xml:lang="en"><p>Tianjin 300180</p></bio><email xlink:type="simple">ningxin_bit@hotmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Научно-исследовательский институт физико-химической инженерии атомной промышленности</institution></aff><aff xml:lang="en"><institution>Research Institute of Physical and Chemical Engineering of Nuclear Industry</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>08</day><month>05</month><year>2020</year></pub-date><volume>87</volume><issue>2</issue><fpage>314</fpage><lpage>321</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Ningxin G., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Ningxin G.</copyright-holder><copyright-holder xml:lang="en">Ningxin G.</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://zhps.ejournal.by/jour/article/view/620">https://zhps.ejournal.by/jour/article/view/620</self-uri><abstract><p>Разработан метод определения скандия (Sc) в образцах алюминиевого сплава с помощью оптической эмиссионной спектрометрии с индуктивно-связанной плазмой. Метод оптимизирован с помощью конструкции Бокса—Бенкена, в которой оценивались рабочие условия (мощность ВЧ-сигнала, расход газа распылителя и расход пробы). Определены оптимальные условия, в том числе мощность ВЧ-сигнала 1300 Вт, расход газа распылителя 0.83 л/мин и расход пробы 0.9 мл/мин. При этих условиях получены удовлетворительные рабочие характеристики, включающие в себя фоновую эквивалентную концентрацию, пределы обнаружения и количественного определения. В результате оптимизации метод позволяет определить содержание Sc с пределами обнаружения и количественного определения 0.15 и 0.48 мкг/л, его точность подтверждена путем анализа сертифицированного эталонного материала из алюминиевого сплава и использования метода стандартных добавок. Эксперименты со стандартными добавками приводят к восстановлению в пределах 96.5–105.0%. Разработанный метод применен для определения Sc в образцах алюминиевых сплавов Пекинского института авиационных материалов. Полученные данные восстановления находятся в интервале 98.0–100.5%.</p></abstract><trans-abstract xml:lang="en"><p>A method for the determination of scandium (Sc) in aluminum alloy samples by inductively coupled plasma optical emission spectrometry was developed. The method was optimized by the Box–Behnken design, which evaluated the operational conditions (radio frequency power, nebulizer gas flow rate, and sample flow rate). The optimum conditions were established as a radio frequency power of 1300 W, a nebulizer gas flow rate of 0.83 L/min, and a sample flow rate of 0.9 mL/min. Satisfactory performance characteristics (background equivalent concentration, limits of detection and quantification) were obtained under the optimum conditions. The method proposed using the optimum conditions allowed Sc determination with limits of detection and quantification of 0.15 and 0.48 μg/L, respectively. The accuracy of the proposed method was confirmed by analyzing an aluminum alloy certified reference material and performing a standard addition method. The standard addition experiments resulted in recoveries between 96.5% and 105%. The method developed has been applied to the Sc determination in aluminum alloy samples from the Beijing Institute of Aeronautical Materials, and the recovery study results ranged between 98.0 and 100.5%.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>скандий</kwd><kwd>алюминиевый сплав</kwd><kwd>рабочие условия</kwd><kwd>индуктивно-связанная плазма</kwd><kwd>оптическая эмиссионная спектрометрия</kwd></kwd-group><kwd-group xml:lang="en"><kwd>scandium</kwd><kwd>aluminum alloy</kwd><kwd>operational conditions</kwd><kwd>inductively coupled plasma optical emission spectrometry</kwd></kwd-group><funding-group><funding-statement xml:lang="en">The author would like to acknowledge the Research Institute of Physical and Chemical Engineering of Nuclear Industry for support of this research.</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">F. Sun, G. L. 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