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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-431</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>ОПРЕДЕЛЕНИЕ БИСФЕНОЛА А МЕТОДОМ СИНХРОННОЙ ФЛУОРИМЕТРИИ С ИСПОЛЬЗОВАНИЕМ ГИДРОХЛОРИДА ПРОКАИНА В КАЧЕСТВЕ САМОЗАТУХАЮЩЕГО ФЛУОРЕСЦЕНТНОГО ЗОНДА</article-title><trans-title-group xml:lang="en"><trans-title>DETERMINATION OF BISPHENOL A BY SYNCHRONOUS FLUORIMETRY USING PROCAINE HYDROCHLORIDE AS SELF-QUENCHING FLUORESCENCE PROBE</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>Zhuang</surname><given-names>Y. F.</given-names></name><name name-style="western" xml:lang="en"><surname>Zhuang</surname><given-names>Y. F.</given-names></name></name-alternatives><email xlink:type="simple">Zhuangyf@czu.cn; yafengzhuang@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>Cao</surname><given-names>G. P.</given-names></name><name name-style="western" xml:lang="en"><surname>Cao</surname><given-names>G. P.</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>Mao</surname><given-names>J. Y.</given-names></name><name name-style="western" xml:lang="en"><surname>Mao</surname><given-names>J. Y.</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>Liu</surname><given-names>B. L.</given-names></name><name name-style="western" xml:lang="en"><surname>Liu</surname><given-names>B. L.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Технологический институт Чанчжоу</institution></aff><aff xml:lang="en"><institution>School of Science, Changzhou Institute of Technology</institution></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>6</issue><fpage>971</fpage><lpage>977</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Zhuang Y.F., Cao G.P., Mao J.Y., Liu B.L., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Zhuang Y.F., Cao G.P., Mao J.Y., Liu B.L.</copyright-holder><copyright-holder xml:lang="en">Zhuang Y.F., Cao G.P., Mao J.Y., Liu B.L.</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/431">https://zhps.ejournal.by/jour/article/view/431</self-uri><abstract><p>Новый синхронный флуориметрический метод для анализа бисфенола А разработан на основе прокаина гидрохлорида в качестве самозатухающего флуоресцентного зонда. В кислотном растворе гидрохлорид прокаина может быть диазотирован нитритом натрия, затем диазотированный продукт взаимодействует с бисфенолом А в буфере NH3-NH4Cl и вызывает тушение флуоресценции диазотированного раствора прокаина гидрохлорида NH3-NH4Cl. Представлен основанный на этом явлении ингибирующий флуориметрический метод определения следовых количеств бисфенола А. Синхронные спектральные максимумы для реакционной системы расположены при 225 и 270 нм. Эти максимумы могут быть разделены, и бисфенол А может быть определен непосредственно. Обсуждается возможный механизм реакции. В оптимальных условиях бисфенол А может быть определен в диапазоне концентраций 0.10-1.4 мкг/мл с коэффициентом корреляции 0.99. Предел обнаружения 0.04 мкг/мл при отношении сигнал/шум 3. Относительное стандартное отклонение для 11 повторных определений 1.0 мкг/мл бисфенола А составляет 0.32%. Полезность метода продемонстрирована путем определения бисфенола А в горячей воде, в которой находились бутылки из-под минеральной воды. </p></abstract><trans-abstract xml:lang="en"><p>A new synchronous fluorimetric method for the analysis of bisphenol A has been developed based on procaine hydrochloride as a self-quenching fluorescence probe. In acidic solution, procaine hydrochloride could be diazotized with sodium nitrite; then the diazotized product could react with bisphenol A in NH3-NH4Cl buffer and produce the quenching of fluorescence of diazotized procaine hydrochloride-NH3-NH4Cl solution. Based on this observation, an inhibitory fluorimetric method is reported for the determination of trace bisphenol A. The synchronous spectral peaks of the reaction system are at 225 and 270 nm. The spectra of the two peaks can be separated, and bisphenol A can be determined directly. The possible mechanism of the reaction has also been discussed. Under optional conditions, bisphenol A can be determined over the concentration range of 0.10 to 1.4 μg/mL with a correlation coefficient of 0.99. The detection limit is 0.04 μg/mL at a signal-to-noise ratio of 3. The relative standard deviation (RSD) for 11 repetitive determinations of 1.0 μg/mL bisphenol A is 0.32%. The utility of this method was demonstrated by determining bisphenol A in hot water in contact with commercially available table-water bottle samples. </p></trans-abstract><kwd-group xml:lang="ru"><kwd>бисфенол А</kwd><kwd>синхронная флуориметрия</kwd><kwd>обнаружение</kwd><kwd>гидрохлорид прокаина</kwd><kwd>флуоресцентный зонд</kwd><kwd>bisphenol A</kwd><kwd>synchronous fluorimetry</kwd><kwd>detection</kwd><kwd>procaine hydrochloride</kwd><kwd>quenching fluorescence probe</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">R. B. P. Vidal, G. A. Ibañez, G. M. 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