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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-2415</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>АННОТАЦИИ АНГЛОЯЗЫЧНЫХ СТАТЕЙ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ABSTRACTS ENGLISH-LANGUAGE ARTICLES</subject></subj-group></article-categories><title-group><article-title>Влияние мешающих ионов на определение урана в водных растворах методом лазерно-индуцированной флуоресценции</article-title><trans-title-group xml:lang="en"><trans-title>Interference Effects of Coexisting Ions on the Determination of Uranium in Aqueous Solutions Using Laser-Induced Fluorescence</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>Huo</surname><given-names>Y.</given-names></name><name name-style="western" xml:lang="en"><surname>Huo</surname><given-names>Yonggang</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сиань</p></bio><bio xml:lang="en"><p>Xi’an</p></bio><email xlink:type="simple">huoarmy@163.com</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>Shao</surname><given-names>Y.</given-names></name><name name-style="western" xml:lang="en"><surname>Shao</surname><given-names>Yurui</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сиань</p></bio><bio xml:lang="en"><p>Xi’an</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>Yue</surname><given-names>S.</given-names></name><name name-style="western" xml:lang="en"><surname>Yue</surname><given-names>Shiyong</given-names></name></name-alternatives><bio xml:lang="ru"><p>Лучжоу</p></bio><bio xml:lang="en"><p>Luzhou</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>Yang</surname><given-names>М.</given-names></name><name name-style="western" xml:lang="en"><surname>Yang</surname><given-names>Miao</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сиань</p></bio><bio xml:lang="en"><p>Xi’an</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>Sun</surname><given-names>Z.</given-names></name><name name-style="western" xml:lang="en"><surname>Sun</surname><given-names>Zhiqiang</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сиань</p></bio><bio xml:lang="en"><p>Xi’an</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>Li</surname><given-names>J.</given-names></name><name name-style="western" xml:lang="en"><surname>Li</surname><given-names>Jiongyao</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сиань</p></bio><bio xml:lang="en"><p>Xi’an</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>Yang</surname><given-names>L.</given-names></name><name name-style="western" xml:lang="en"><surname>Yang</surname><given-names>Longfang</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сиань</p></bio><bio xml:lang="en"><p>Xi’an</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>Ren</surname><given-names>Y.</given-names></name><name name-style="western" xml:lang="en"><surname>Ren</surname><given-names>Yifei</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сиань</p></bio><bio xml:lang="en"><p>Xi’an</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>Li</surname><given-names>S.</given-names></name><name name-style="western" xml:lang="en"><surname>Li</surname><given-names>Sufen</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сиань</p></bio><bio xml:lang="en"><p>Xi’an</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>Cai</surname><given-names>X.</given-names></name><name name-style="western" xml:lang="en"><surname>Cai</surname><given-names>Xingfu</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сиань</p></bio><bio xml:lang="en"><p>Xi’an</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Инженерный университет ракетных войск</institution><country>Китай</country></aff><aff xml:lang="en"><institution>Rocket Force University of Engineering</institution><country>China</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Бюро высоких технологий</institution><country>Китай</country></aff><aff xml:lang="en"><institution>Luzhou High-Tech Bureau</institution><country>China</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>28</day><month>09</month><year>2026</year></pub-date><volume>93</volume><issue>5</issue><fpage>721</fpage><lpage>721</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Huo Y., Shao Y., Yue S., Yang М., Sun Z., Li J., Yang L., Ren Y., Li S., Cai X., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Huo Y., Shao Y., Yue S., Yang М., Sun Z., Li J., Yang L., Ren Y., Li S., Cai X.</copyright-holder><copyright-holder xml:lang="en">Huo Y., Shao Y., Yue S., Yang M., Sun Z., Li J., Yang L., Ren Y., Li S., Cai X.</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/2415">https://zhps.ejournal.by/jour/article/view/2415</self-uri><abstract><p>Точное определение следовых количеств урана в водных системах имеет важное значение для надежного спектроскопического анализа, однако измерения ионов уранила методом лазерно-индуцированной флуоресценции (ЛИФ) часто подвержены влиянию матричных помех. Изучено влияние распространенных сопутствующих ионов (Fe³⁺, Al³⁺, Mg²⁺, SO₄²⁻ и NO3⁻) на сигналы флуоресценции уранила. Методом контролируемых переменных смешанные растворы, содержащие фиксированные концентрации урана (1 и 20 нг/мл) и различные концентрации мешающих ионов (1–100 мкг/мл), анализировались с помощью микроуранового анализатора WGJ-III. Установлено, что различные ионы демонстрируют различное интерференционное поведение, приводящее к тушению флуоресценции или модуляции сигнала в зависимости от типа и концентрации иона. Наблюдаемые эффекты обсуждаются с точки зрения возможных механизмов спектроскопического и химического взаимодействия, влияющих на флуоресценцию уранила. Дана количественная оценка матричных помех при определении урана методом ЛИФ, предоставлены полезные сведения для повышения аналитической точности спектроскопического анализа урана.</p></abstract><trans-abstract xml:lang="en"><p>Accurate determination of trace uranium in aqueous systems is essential for reliable spectroscopic analysis, yet laser-induced fluorescence (LIF) measurements of uranyl ions are often affected by matrix interference. In this study, the effects of common coexisting ions (Fe³⁺, Al³⁺, Mg²⁺, SO₄²⁻, and NO3⁻) on uranyl fluorescence signals were systematically investigated. Using a controlled variable approach, mixed solutions that contained fixed uranium concentrations (1 and 20 ng/mL) and varying concentrations of interfering ions  (1–100 μg/mL) were analyzed with a WGJ-III microuranium analyzer. The results demonstrate that different ions exhibit distinct interference behaviors that lead to fluorescence quenching or signal modulation depending on the ion type and concentration. The observed effects are discussed in terms of possible spectroscopic and chemical interaction mechanisms that influence uranyl fluorescence. This work provides a quantitative assessment of matrix interference in LIF-based uranium determination and offers useful insights for improving analytical accuracy in spectroscopic uranium analysis.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>лазерно-индуцированная флуоресценция</kwd><kwd>ион уранила</kwd><kwd>спектроскопические помехи</kwd><kwd>матричный эффект</kwd><kwd>анализ следовых количеств уранила</kwd></kwd-group><kwd-group xml:lang="en"><kwd>laser-induced fluorescence</kwd><kwd>uranyl ion</kwd><kwd>spectroscopic interference</kwd><kwd>matrix effects</kwd><kwd>trace uranium analysis</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">This work was supported by the National Natural Science Foundation of China  (No. 12475307).</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">D. N. Deepika, M. R. Ambika, K. Naregundi, S. 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