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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">10.26896/1028-6861-2024-90-1-5-16</article-id><article-id custom-type="elpub" pub-id-type="custom">zldm-2093</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>Совершенствование метода искрового атомно-эмиссионного спектрального определения оксисульфидов в конструкционной стали</article-title><trans-title-group xml:lang="en"><trans-title>Improvement of the method of spark atomic emission spectrometry for the determination of oxysulfides in construction steel</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>Пробенкова</surname><given-names>Э. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Probenkova</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Эвелина Алексеевна Пробенкова</p><p>398600, г. Липецк, ул. Московская, стр. 30</p></bio><bio xml:lang="en"><p>Evelina A. Probenkova</p><p>30, Moskovskaya ul., Lipetsk, 398600</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>Якубенко</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Yakubenko</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Елена Всеволодовна Якубенко</p><p>398040, г. Липецк, пл. Металлургов, д. 2</p></bio><bio xml:lang="en"><p>Elena V. Yakubenko</p><p>2, pl. Metallurgov, Lipetsk, 398040</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>Ермолаева</surname><given-names>Т. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Ermolaeva</surname><given-names>T. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Татьяна Николаевна Ермолаева</p><p>398600, г. Липецк, ул. Московская, стр. 30</p></bio><bio xml:lang="en"><p>Tatyana N. Ermolaeva</p><p>30, Moskovskaya ul., Lipetsk, 398600</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>Орехова</surname><given-names>Ю. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Orekhova</surname><given-names>Yu. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Юлия Николаевна</p><p>398040, г. Липецк, пл. Металлургов, д. 2</p></bio><bio xml:lang="en"><p>Yulia. N. Orekhova</p><p>2, pl. Metallurgov, Lipetsk, 398040</p></bio><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Липецкий государственный технический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Lipetsk State Technical University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ПАО «Новолипецкий металлургический комбинат»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Novolipetsk Metallurgical Plant (PJSC NLMK)</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>22</day><month>01</month><year>2024</year></pub-date><volume>90</volume><issue>1</issue><fpage>5</fpage><lpage>16</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Пробенкова Э.А., Якубенко Е.В., Ермолаева Т.Н., Орехова Ю.Н., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Пробенкова Э.А., Якубенко Е.В., Ермолаева Т.Н., Орехова Ю.Н.</copyright-holder><copyright-holder xml:lang="en">Probenkova E.A., Yakubenko E.V., Ermolaeva T.N., Orekhova Y.N.</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/2093">https://www.zldm.ru/jour/article/view/2093</self-uri><abstract><p>Изучены условия определения оксисульфидов в конструкционной стали методом искровой атомно-эмиссионной спектрометрии (ИАЭС) с применением спектрометра ARL iSpark 8860, оснащенного программной функцией обработки искровых диаграмм Spark-DAT. Для улучшения характеристик градуировочных графиков для определения Al, Ca, Mn и серы, образующих неметаллические включения (НМВ), дополнительно использованы стандартные образцы состава конструкционных сталей. Показано увеличение чувствительности определения Al и Ca и коэффициентов корреляции градуировочных графиков для определения Mn и серы. В связи с отсутствием стандартных образцов оксисульфидов содержание Al2O3MnS, Al2O3MnSMgO, Al2O3MnSCaS Al2O3CaOCaS, Al2O3CaOMgOCaS в стали предварительно определяли в соответствии с ASTM E1245 (способ 3) методом сканирующей электронной микроскопии с использованием приставки для электронно-зондового анализа (СЭМ с ЭДС). Показано, что определение оксисульфидов в конструкционной стали методом ИАЭС целесообразно проводить по скорректированным алгоритмам программной обработки интегрального спектра в сочетании с псевдоформулой. Подходящий алгоритм и псевдоформулу для определения каждого компонента выбирали на основании тестовой статистики Стьюдента путем сравнения содержаний НМВ, полученных методами СЭМ с ЭДС и ИАЭС. Выбраны значения искрового интервала и времени задержки интегрирования аналитического сигнала для Al, Ca, Mg, Mn и серы: подтверждена правильность результатов определения оксисульфидов методом ИАЭС в интервале от 500 до 1900 искр (tэксп = 0,01) и задержке интегрирования сигнала элементов 110 мкс (tэксп = 0,23). Методика определения суммарного содержания оксисульфидов методом ИАЭС апробирована при анализе производственных образцов конструкционной стали. Подтверждены отсутствие систематической погрешности и правильность результатов определения (tэксп &lt; 4,30). Установлено, что разработанный способ определения НМВ позволяет снизить продолжительность анализа с 18 ч (СЭМ с ЭДС) до 10 мин.</p></abstract><trans-abstract xml:lang="en"><p>Conditions for determining oxysulfides in construction steel by spark atomic emission spectrometry (SAES) using an ARL iSpark 8860 spectrometer which is equipped with a Spark-DAT software function for processing spark diagrams are studied. To improve the characteristics of the calibration curves for the determination of Al, Ca, Mn and sulfur forming non-metallic inclusions (NMI), we used certified reference materials of the composition of construction steels. An increase in the sensitivity of Al and Ca determination and correlation coefficients of calibration curves for the determination of Mn and S is shown. The concentration of Al2O3MnS, Al2O3MnSMgO, Al2O3MnSCaS, Al2O3CaOCaS, Al2O3CaOMgOCaS in steels was preliminarily determined using a combination of scanning electron microscopy and energy-dispersive X-ray spectroscopy (SEM-EDS) according to ASTM E1245 (method 3) in the lack of certified reference materials with oxysulfides. It is shown advisable to determine the concentration of oxysulfides in construction steels by SAES using corrected and developed algorithms for software processing of the integrated spectrum in combination with a pseudo-formula. It is shown expedient to select the appropriate algorithm and pseudo-formula on the basis of Student’s test statistics by comparing the NMI concentrations obtained by SEM-EDS with SAES results. The spark intervals and the delay time of the analytical signal integration for Al, Ca, Mg, Mn, and sulfur are compared. The correctness of the oxysulfide determination by SAES was confirmed in the range of 500 – 1900 sparks (texp = 0.01) and the signal integration delay of 110 μsec (texp = 0.23). Test method for measuring the total concentration of oxysulfides by SAES was tested on production samples of construction steels. The absence of a systematic error and the correctness of the measurement results (texp &lt; 4.30) were proved. It is shown that the developed method for determining the NMI concentration provides drastic reduction of the duration of the analysis from 18 hours (SEM-EDS) to 10 min.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>неметаллические включения</kwd><kwd>оксисульфиды</kwd><kwd>искровая атомно-эмиссионная спектрометрия</kwd><kwd>градуировочные графики</kwd><kwd>алгоритм учета искр</kwd><kwd>псевдоформула</kwd><kwd>время задержки измерения</kwd></kwd-group><kwd-group xml:lang="en"><kwd>non-metallic inclusions</kwd><kwd>oxysulfides</kwd><kwd>spark atomic emission spectrometry</kwd><kwd>calibration curves</kwd><kwd>spark counting algorithm</kwd><kwd>pseudo-formula</kwd><kwd>measurement delay time</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">Малахов Н. В., Мотовилина Г. Д., Хлусова Е. И. и др. 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