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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">nuc</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник НЯЦ РК</journal-title><trans-title-group xml:lang="en"><trans-title>NNC RK Bulletin</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1729-7516</issn><issn pub-type="epub">1729-7885</issn><publisher><publisher-name>Национальный ядерный центр Республики Казахстан</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.52676/1729-7885-2025-2-96-102</article-id><article-id custom-type="elpub" pub-id-type="custom">nuc-819</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>ПРИМЕНЕНИЕ МЕТОДА ЖИДКОСТНОЙ СЦИНТИЛЛЯЦИИ ДЛЯ ОПРЕДЕЛЕНИЯ РАДОНА В ВОДЕ</article-title><trans-title-group xml:lang="en"><trans-title>APPLICATION OF LIQUID SCINTILLATION METHOD FOR RADON DETERMINATION IN WATER</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>Жамалдинова</surname><given-names>К. Т.</given-names></name><name name-style="western" xml:lang="en"><surname>Zhamaldinova</surname><given-names>K. T.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Курчатов</p></bio><bio xml:lang="en"><p>Kurchatov</p></bio><email xlink:type="simple">Kuralay@nnc.kz</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>Жамалдинов</surname><given-names>Ф. Ф.</given-names></name><name name-style="western" xml:lang="en"><surname>Zhamaldinov</surname><given-names>F. F.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Курчатов</p></bio><bio xml:lang="en"><p>Kurchatov</p></bio><email xlink:type="simple">zhamaldinov@nnc.kz</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>Дюсембаева</surname><given-names>М. Т.</given-names></name><name name-style="western" xml:lang="en"><surname>Dyusembaeva</surname><given-names>M. T.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Курчатов</p></bio><bio xml:lang="en"><p>Kurchatov</p></bio><email xlink:type="simple">koigeldinova@nnc.kz</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>Ташекова</surname><given-names>А. Ж.</given-names></name><name name-style="western" xml:lang="en"><surname>Tashekova</surname><given-names>A. J.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Курчатов</p></bio><bio xml:lang="en"><p>Kurchatov</p></bio><email xlink:type="simple">esenzholova@nnc.kz</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>Мамырбаева</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Mamyrbaeva</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Курчатов</p></bio><bio xml:lang="en"><p>Kurchatov</p></bio><email xlink:type="simple">mamyrbaevaa@nnc.kz</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>Понтак</surname><given-names>К. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Pontak</surname><given-names>K. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Курчатов</p></bio><bio xml:lang="en"><p>Kurchatov</p></bio><email xlink:type="simple">pontak@nnc.kz</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Филиал «Институт радиационной безопасности и экологии» РГП НЯЦ РК<country>Казахстан</country></aff><aff xml:lang="en">Branch “Institute of Radiation Safety and Ecology” RSE NNC RK<country>Kazakhstan</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>14</day><month>07</month><year>2025</year></pub-date><volume>0</volume><issue>2</issue><fpage>96</fpage><lpage>102</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Жамалдинова К.Т., Жамалдинов Ф.Ф., Дюсембаева М.Т., Ташекова А.Ж., Мамырбаева А.С., Понтак К.А., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Жамалдинова К.Т., Жамалдинов Ф.Ф., Дюсембаева М.Т., Ташекова А.Ж., Мамырбаева А.С., Понтак К.А.</copyright-holder><copyright-holder xml:lang="en">Zhamaldinova K.T., Zhamaldinov F.F., Dyusembaeva M.T., Tashekova A.J., Mamyrbaeva A.S., Pontak K.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://journals.nnc.kz/jour/article/view/819">https://journals.nnc.kz/jour/article/view/819</self-uri><abstract><p>В работе приведены результаты использования метода жидкостной сцинтилляционной спектрометрии (ЖСС) для измерения концентрации радона в воде. Экспериментально определены оптимальные настройки разделения альфа- и бета-излучения, а также эффективность регистрации радона для различных типов сцинтилляторов. Метод апробирован на объектах водопользования, расположенных на территории Семипалатинского испытательного полигона (СИП). Для валидации метода ЖСС проведено сравнение с гамма-спектрометрическим анализом, которое показало их хорошую сопоставимость. Полученные результаты позволяют рекомендовать метод ЖСС для радиоэкологического мониторинга водных объектов.</p></abstract><trans-abstract xml:lang="en"><p>The paper presents the results of using the method of liquid scintillation counting (LSC) for measurement of radon concentration in water. The optimal settings of separation of alpha- and beta-radiation, as well as the efficiency of radon registration for different types of scintillators have been determined experimentally. The method was tested on water objects located on the territory of Semipalatinsk test site (STS). The comparison with gamma-spectrometric analysis was carried out for validation of the LSC method, which showed their good agreement. The obtained results allow recommending the LSC method for radioecological monitoring of water objects.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>радионуклиды</kwd><kwd>радиоактивность воды</kwd><kwd>радон</kwd><kwd>жидкостной сцинтилляционный счет</kwd><kwd>метод измерения</kwd></kwd-group><kwd-group xml:lang="en"><kwd>radionuclides</kwd><kwd>water radioactivity</kwd><kwd>radon</kwd><kwd>liquid scintillation counting</kwd><kwd>measurement method</kwd></kwd-group><funding-group xml:lang="ru"><funding-statement>Данные исследования выполнены в рамках программно-целевого финансирования МВОН РК BR21882086 «Разработка устойчивого управления земельными ресурсами и водными объектами на территории бывшего Семипалатинского испытательного полигона»</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">Jobbágy V., Kávási N., Somlai J., Dombovári P., Gyöngy- ösi C., Kovács T. 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