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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-121</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>***</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>***</subject></subj-group></article-categories><title-group><article-title>УМЕНЬШЕНИE ЭФФЕКТА МАТРИЦЫ В АНАЛИЗЕ МЕТАЛЛОВ С ИСПОЛЬЗОВАНИЕМ ЛАЗЕРНО-ИНДУЦИРОВАННОЙ СПЕКТРОСКОПИИ</article-title><trans-title-group xml:lang="en"><trans-title>PROCEDURE FOR MATRIX EFFECT REDUCTION IN METAL ANALYSIS USING LASER-INDUCED BREAKDOWN 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>Al-Eshaikh</surname><given-names>M. A.</given-names></name><name name-style="western" xml:lang="en"><surname>Al-Eshaikh</surname><given-names>M. A.</given-names></name></name-alternatives><email xlink:type="simple">maleshaikh@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Исследовательский центр инженерного колледжа, Университет Короля Сауда</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Research Center, College of Engineering, King Saud University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2017</year></pub-date><pub-date pub-type="epub"><day>10</day><month>03</month><year>2020</year></pub-date><volume>84</volume><issue>4</issue><elocation-id>673(1)-673(6)</elocation-id><permissions><copyright-statement>Copyright &amp;#x00A9; Al-Eshaikh M.A., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Al-Eshaikh M.A.</copyright-holder><copyright-holder xml:lang="en">Al-Eshaikh M.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://zhps.ejournal.by/jour/article/view/121">https://zhps.ejournal.by/jour/article/view/121</self-uri><abstract><p>Предлагаемая процедура уменьшения эффекта матрицы позволяет улучшить точность и снизить неопределенность количественного анализа металлических сплавов с помощью лазерной спектроскопии пробоя. Эта процедура основана на применении ряда последовательных действий по коррекции флуктуации сигнала, обусловленной взаимодействием плазмы и эффектом матрицы. Первый шаг - выбор оптимальных параметров системы детектирования: мощности лазера, времени задержки и фокусного расстояния. Второй этап - внутренняя стандартная калибровка для оценки абсолютных или относительных величин, характеризующих примеси. Третий - анализ металлической основы сплава, используемого в качестве внутреннего стандарта, который требует усреднения спектра, нормировки полного интегрального спектра и коррекции самопоглощения. Для калибровки и тестирования использованы три набора эталонных стандартных сплавов на основе алюминия, стали и меди. При выполнении предлагаемой процедуры наблюдались последовательные улучшения неопределенности и качества калибровочных кривых.</p></abstract><trans-abstract xml:lang="en"><p>A procedure for matrix effect reduction is proposed to enhance the precision of quantitative analysis of metal alloys using laser-induced breakdown spectroscopy (LIBS). This procedure is based on a number of successive steps in order to correct the signal fluctuations caused by plasma interaction and the matrix effect. The first step is the selection of optimum parameter settings of the detection system, such as laser power, delay time, and focal distance. The second step is the estimation of the absolute or relative values of impurities on the basis of the internal standard calibration. The third step is the analysis of the metal basis of the alloy used as an internal standard, which requires spectrum averaging, whole integral spectrum normalization, and self-absorption correction. Three sets of metal-based alloys (aluminum, steel, and copper) are used in this investigation as reference standards for calibration and validation. Successive improvements of the quality of calibration curves are observed during the proposed procedure.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>количественный анализ методом лазерно-индуцированной спектроскопии пробоя</kwd><kwd>снижение эффекта матрицы</kwd><kwd>внутренняя стандартная калибровка</kwd><kwd>нормировка</kwd><kwd>коррекция самопоглощения</kwd><kwd>LIBS quantitative analysis</kwd><kwd>reduction of matrix effect</kwd><kwd>internal standard calibration</kwd><kwd>normalization</kwd><kwd>correction of self-absorption</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">D. A. Cremers, L. J. Radziemski, Handbook of Laser-Induced Breakdown Spectroscopy, Copyright, John Wiley &amp; Sons Ltd. 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