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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-302</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>МЕТОД ОПТИМИЗАЦИИ КОЭФФИЦИЕНТА КОРРЕЛЯЦИИ ДЛЯ СПЕКТРОФОТОМЕТРИЧЕСКОГО АНАЛИЗА СТОЧНЫХ ВОД ПРИ КАТАЛИТИЧЕСКОМ ОЗОНИРОВАНИИ</article-title><trans-title-group xml:lang="en"><trans-title>METHOD OF CORRELATION COEFFICIENT OPTIMIZATION USED IN UV-VIS SPECTROPHOTOMETRIC ANALYSIS FOR EFFLUENT IN CATALYTIC OZONATION</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>Feng</surname><given-names>J. .</given-names></name><name name-style="western" xml:lang="en"><surname>Feng</surname><given-names>J. .</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>Chen</surname><given-names>H. .</given-names></name><name name-style="western" xml:lang="en"><surname>Chen</surname><given-names>H. .</given-names></name></name-alternatives><email xlink:type="simple">hlchensubmission@yahoo.com</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>Zhang</surname><given-names>X. .</given-names></name><name name-style="western" xml:lang="en"><surname>Zhang</surname><given-names>X. .</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Университет Сихуа; Институт органической химии Китайской АН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Xihua University; Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт органической химии Китайской АН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2018</year></pub-date><pub-date pub-type="epub"><day>10</day><month>03</month><year>2020</year></pub-date><volume>85</volume><issue>4</issue><elocation-id>683(1)-683(11)</elocation-id><permissions><copyright-statement>Copyright &amp;#x00A9; Feng J..., Chen H..., Zhang X..., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Feng J..., Chen H..., Zhang X...</copyright-holder><copyright-holder xml:lang="en">Feng J..., Chen H..., Zhang 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/302">https://zhps.ejournal.by/jour/article/view/302</self-uri><abstract><p>Для безреагентного спектрофотометрического анализа органических веществ (гуминовой кислоты) в сточных водах рабочая длина волны выбирается так называемым методом оптимизации коэффициента корреляции. Модельный набор оптимизированных коэффициентов корреляции охватывает все возможные состояния сточных вод в процессе озонирования раствора гуминовой кислоты. Для установления связи между концентрацией гуминовой кислоты и поглощением на выбранной длине волны использованы растворы гуминовой кислоты с различной концентрацией. Показано, что лучшим количественным показателем концентрации гуминовой кислоты является поглощение на 300 нм. Поэтому для анализа концентрации гуминовой кислоты в процессе озонирования использовалась оптическая плотность на длине волны 300 нм. Распад гуминовой кислоты соответствует кинетической модели псевдопервого порядка. Скорость распада линейно связана с pH и (T - 20)2 (T - температура реакции). </p></abstract><trans-abstract xml:lang="en"><p>A wavelength selection method for spectrophotometric analysis, named correlation coefficient optimization (CCO), was employed for reagent-free analysis of organics (humic acid) in real sewage. The modeling set of CCO uses the effluent in the ozonation process of humic acid (HA) solution. In order to verify the relationship between HA concentration and absorbance at the selected wavelength, HA solutions with different mass concentrations were prepared as a validation set. The study showed that the absorbance at 300 nm could be a good quantitative indication of HA concentration. In addition, the absorbance at 300 nm was applied to analyze the HA concentration in the ozonation process. The decomposition of HA fits the pseudo-first-order kinetic model and has a linear relationship with pH and (T - 20)2 (T is reaction temperature). </p></trans-abstract><kwd-group xml:lang="ru"><kwd>гуминовая кислота</kwd><kwd>спектрофотометрия в УФ и видимой областях</kwd><kwd>оптимизация коэффициента корреляции</kwd><kwd>регрессионный анализ</kwd><kwd>humic acid</kwd><kwd>UV-vis spectrophotometry</kwd><kwd>correlation coefficient optimization</kwd><kwd>regression analysis</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. Gotzmannova, V. Kuban, Collect. Czech. Chem. Commun., 45, No. 6, 1793-1804 (1980).</mixed-citation><mixed-citation xml:lang="en">D. Gotzmannova, V. Kuban, Collect. Czech. Chem. Commun., 45, No. 6, 1793-1804 (1980).</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">W. 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