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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-56</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>ОРТОГОНАЛЬНАЯ И КОЛЛИНЕАРНАЯ СХЕМЫ В ДВУХИМПУЛЬСНОЙ ЛАЗЕРНО-ИСКРОВОЙ ЭМИССИОННОЙ СПЕКТРОМЕТРИИ ДЛЯ ПОВЫШЕНИЯ ЧУВСТВИТЕЛЬНОСТИ ОПРЕДЕЛЕНИЯ ХЛОРА</article-title><trans-title-group xml:lang="en"><trans-title>ORTHOGONAL AND COLLINEAR CONFIGURATIONS OF DOUBLE PULSE LASER INDUCED BREAKDOWN SPECTROMETRY FOR SENSITIVE CHLORINE ANALYSIS</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>Закускин</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Zakuskin</surname><given-names>A. S.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Попов</surname><given-names>А. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Popov</surname><given-names>A. M.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Зайцев</surname><given-names>С. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Zaytsev</surname><given-names>S. M.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Зоров</surname><given-names>Н. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Zorov</surname><given-names>N. B.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бельков</surname><given-names>М. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Belkov</surname><given-names>M. V.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Лабутин</surname><given-names>Т. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Labutin</surname><given-names>T. A.</given-names></name></name-alternatives><email xlink:type="simple">timurla@laser.chem.msu.ru</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Московский государственный университет им. М. В. Ломоносова</institution></aff><aff xml:lang="en"><institution>M. V. Lomonosov Moscow State University</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт физики им. Б. И.Степанова НАН Беларуси</institution></aff><aff xml:lang="en"><institution>B. I. Stepanov Institute of Physics, National Academy of Sciences of Belarus</institution></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Московский государственный университет им. М. В. Ломоносова; Институт океанологии им. П. П. Ширшова Российской АН</institution></aff><aff xml:lang="en"><institution>M. V. Lomonosov Moscow State University; P. P. Shirshov Institute of Oceanology, Russian Academy of Sciences</institution></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>2</issue><fpage>303</fpage><lpage>307</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Закускин А.С., Попов А.М., Зайцев С.М., Зоров Н.Б., Бельков М.В., Лабутин Т.А., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Закускин А.С., Попов А.М., Зайцев С.М., Зоров Н.Б., Бельков М.В., Лабутин Т.А.</copyright-holder><copyright-holder xml:lang="en">Zakuskin A.S., Popov A.M., Zaytsev S.M., Zorov N.B., Belkov M.V., Labutin T.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/56">https://zhps.ejournal.by/jour/article/view/56</self-uri><abstract><p>Рассмотрены коллинеарная и ортогональная схемы сведения лучей в двухимпульсной лазерно-искровой эмиссионной спектрометрии (ЛИЭС) при определении хлора в растениях и бетоне по линии Cl I 837.59 нм. Обнаружено, что отношение сигнал/шум немного ниже для ортогональной схемы из-за нестабильности пространственного положения пробоя вторым импульсом. В то же время подавление в этой схеме мешающих молекулярных полос позволяет увеличить чувствительность ЛИЭС при определении хлора в растительном сырье.</p></abstract><trans-abstract xml:lang="en"><p>We have considered collinear and orthogonal configurations of double-pulse laser-induced breakdown spectrometry (LIBS) for the chlorine determination in plants and concrete by Cl I 837.59 nm line. It has been found that the signal-to-noise ratio is slightly lower in the orthogonal configuration due to spatial instability of the second breakdown. At the same time, the suppression of interfering molecular bands in this case can increase the LIBS sensitivity of chlorine analysis in plant materials.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>лазерно-искровая эмиссионная спектрометрия</kwd><kwd>хлор</kwd><kwd>растение</kwd><kwd>бетон</kwd><kwd>laser-induced breakdown spectrometry</kwd><kwd>chlorine</kwd><kwd>plant</kwd><kwd>concrete</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">A. Kabata-Pendias. Trace Elements in Soils and Plants, 4th Ed., CRC Press (2011) 385-401</mixed-citation><mixed-citation xml:lang="en">A. Kabata-Pendias. Trace Elements in Soils and Plants, 4th Ed., CRC Press (2011) 385-401</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">L. Bertolini, B. Elsener, P. Pedeferri, E. Redaelli. 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