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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-1373</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>Оценка точности многокомпонентной спектрофотометрии и ее применение для мониторинга деградации красителей в смешанном растворе в режиме реального времени</article-title><trans-title-group xml:lang="en"><trans-title>Accuracy Evaluation of Multicomponent Spectrophotometry and Its Application in Real-Time Monitoring of the Degradation of Dyes in Mixed Solutions</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>Yin</surname><given-names>M.</given-names></name><name name-style="western" xml:lang="en"><surname>Yin</surname><given-names>M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Цзяотон, Чунцин</p></bio><bio xml:lang="en"><p>Chongqing</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>Wang</surname><given-names>Y.</given-names></name><name name-style="western" xml:lang="en"><surname>Wang</surname><given-names>Y.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Цзяотон, Чунцин</p></bio><bio xml:lang="en"><p>Chongqing</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>Liang</surname><given-names>Q.</given-names></name><name name-style="western" xml:lang="en"><surname>Liang</surname><given-names>Q.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Цзяотон, Чунцин</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>Xiang</surname><given-names>X.</given-names></name><name name-style="western" xml:lang="en"><surname>Xiang</surname><given-names>X.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Цзяотон, Чунцин</p></bio><bio xml:lang="en"><p>Chongqing</p></bio><email xlink:type="simple">xxiang1984@sina.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Школа материаловедения и инженерии Университета Чунцин</institution></aff><aff xml:lang="en"><institution>School of Materials Science and Engineering at Chongqing Jiaotong University</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>29</day><month>08</month><year>2023</year></pub-date><volume>90</volume><issue>4</issue><fpage>662</fpage><lpage>662</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Yin M., Wang Y., Liang Q., Xiang X., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Yin M., Wang Y., Liang Q., Xiang X.</copyright-holder><copyright-holder xml:lang="en">Yin M., Wang Y., Liang Q., Xiang 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/1373">https://zhps.ejournal.by/jour/article/view/1373</self-uri><abstract><p>Для красителей метилового оранжевого, красного конго, родамина В, метилового фиолетового и метиленового синего оценена точность спектрофотометрии при определении концентрации красителя в двух- и трехкомпонентных растворах с различными соотношениями компонентов. При небольшой интерференции между красителями погрешности измерения двух- и трехкомпонентных растворов ˂ 5 и ˂ 10 %. Многокомпонентная спектрофотометрия применена в эксперименте по разложению β-FeOOH для проверки эффективности его каталитического разложения в смешанном растворе метилового оранжевого и красного конго. В случае отдельных компонентов скорость разложения метилового оранжевого и конго красного с β-FeOOH составляет 44.64 и 71.95 % (4 ч), в то время как в смешанном растворе — 29.54 и 80.17 % (4 ч). Оценена точность многокомпонентной спектрофотометрии и предложен недорогой и быстрый метод определения многокомпонентной каталитической способности фотокатализаторов.</p></abstract><trans-abstract xml:lang="en"><p>With methyl orange, Congo red, rhodamine B, methyl violet and methylene blue as the research objects, the accuracy of spectrophotometry in determining the dye concentration of two-component and threecomponent solutions with different ratios was evaluated. The experimental results showed that when the interference among dyes was small, the measurement errors of two-component and three-component solutions were less than 5 and 10%, respectively. Meanwhile, multicomponent spectrophotometry was applied to a degradation experiment of β-FeOOH to test its catalytic degradation performance in the mixed solution of methyl orange and Congo red. The results showed that in the case of single components, the degradation rate of methyl orange and Congo red with β-FeOOH was 44.64 and 71.95% (4 h), respectively, while in the mixed solution, it was 29.54 and 80.17% (4 h), respectively. The significance of this work is to evaluate the accuracy of multicomponent spectrophotometry and provide a low-cost as well as a rapid method for evaluating the multicomponent catalytic ability of photocatalysts.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>спектрофотометрия</kwd><kwd>фотокатализатор</kwd><kwd>двухкомпонентные и трехкомпонентные растворы</kwd></kwd-group><kwd-group xml:lang="en"><kwd>spectrophotometry</kwd><kwd>photocatalyst</kwd><kwd>two-component and three-component solutions</kwd></kwd-group><funding-group><funding-statement xml:lang="en">The authors greatly acknowledge financial support from the National Natural Science Foundation of China (NNSFC 21805022). The authors also thank Dr. Chao Zheng (School of Materials Science and Engineering, Chongqing Jiaotong University, China) for useful discussions and suggestions.</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. J. Chen, Y. L. Cheng, N. Zhou, P. Chen, Y. P. Wang, K. Li, S. H. Huo, P. F. Cheng, P. Peng, R. C. Zhang, L. Wang, H. Liu, Y. H. Liu, R. Ruan, J. Clean. Prod., 268, 14 (2020).</mixed-citation><mixed-citation xml:lang="en">D. J. Chen, Y. L. Cheng, N. Zhou, P. Chen, Y. P. Wang, K. Li, S. H. Huo, P. F. Cheng, P. Peng, R. C. Zhang, L. Wang, H. Liu, Y. H. Liu, R. Ruan, J. Clean. Prod., 268, 14 (2020).</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">J. J. Rueda-Marquez, I. Levchuk, P. F. Ibanez, M. Sillanpaa, J. Clean. 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