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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">nznistu</journal-id><journal-title-group><journal-title xml:lang="ru">Науки о Земле и недропользование</journal-title><trans-title-group xml:lang="en"><trans-title>Earth sciences and subsoil use</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2686-9993</issn><issn pub-type="epub">2686-7931</issn><publisher><publisher-name>Federal State Budget Educational Institution of Higher Education "Irkutsk National Research Technical University"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21285/2541-9455-2019-42-2-221-229</article-id><article-id custom-type="elpub" pub-id-type="custom">nznistu-62</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>ГИДРОГЕОЛОГИЯ И ИНЖЕНЕРНАЯ ГЕОЛОГИЯ МЕСТОРОЖДЕНИЙ ПОЛЕЗНЫХ ИСКОПАЕМЫХ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>HYDROGEOLOGY AND ENGINEERING GEOLOGY OF MINERAL DEPOSITS</subject></subj-group></article-categories><title-group><article-title>Оценка эффективности методов рентгеноструктурного анализа и дифференциальной сканирующей калориметрии при анализе глинистых минералов</article-title><trans-title-group xml:lang="en"><trans-title>Effectiveness evaluation for X-ray diffraction and differential scanning calorimetry methods in the study of clay minerals</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>Нгуен</surname><given-names>Н. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Nguyen</surname><given-names>N. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>магистр, сотрудник</p><p>12109, г. Ханой, Тхань Суан, ул. Нгуенчай, 12, Вьетнам,</p></bio><bio xml:lang="en"><p>Master of Sciences, Researcher</p><p>12, Nguyenchai, Than Suan, Hanoi, 12109, Vietnam</p></bio><email xlink:type="simple">ngocnamhn28@gmail.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>Лай</surname><given-names>Т. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Lai</surname><given-names>T. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>магистр, сотрудник</p><p>12109, г. Ханой, Тхань Суан, ул. Нгуенчай, 12, Вьетнам</p></bio><bio xml:lang="en"><p>Master of Sciences, Researcher</p><p>12, Nguyenchai, Than Suan, Hanoi, 12109, Vietnam</p></bio><email xlink:type="simple">thuyxray@gmail.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>Фам</surname><given-names>Д. Ан.</given-names></name><name name-style="western" xml:lang="en"><surname>Pham</surname><given-names>D. An.</given-names></name></name-alternatives><bio xml:lang="ru"><p>магистр, аспирант, Институт недропользования</p><p>664074, г. Иркутск, ул. Лермонтова, 83, Россия</p></bio><bio xml:lang="en"><p>Master of Sciences, Post-graduate student, Institute of Subsoil Use</p><p>83, Lermontov St., Irkutsk, 664074, Russia</p></bio><email xlink:type="simple">phaman.tpu@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Центр геологических испытаний и анализа</institution><country>Вьетнам</country></aff><aff xml:lang="en"><institution>Center for Geological Experiment Analysis</institution><country>Viet Nam</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Иркутский национальный исследовательский технический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Irkutsk National Research Technical University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>08</day><month>09</month><year>2020</year></pub-date><volume>42</volume><issue>2</issue><fpage>221</fpage><lpage>229</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Нгуен Н.Н., Лай Т.Б., Фам Д.А., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Нгуен Н.Н., Лай Т.Б., Фам Д.А.</copyright-holder><copyright-holder xml:lang="en">Nguyen N.N., Lai T.B., Pham D.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://www.nznj.ru/jour/article/view/62">https://www.nznj.ru/jour/article/view/62</self-uri><abstract><p>Целью данной статьи является оценка эффективности двух методов: рентгеноструктурного анализа (РСА) и дифференциальной сканирующей калориметрии (ДСК) при исследовании глинистых минералов. Глинистые минералы имеют маленький размер частиц, поэтому использование РСА и ДСК в исследовании их минерального состава считается наиболее эффективным. В настоящее время качественный анализ некоторых минералов каолинитовой группы затруднен, поэтому авторы представляют анализы минерального состава трех различных глинистых грунтов: VN 01 (Вьетнам), Laos 02 (Лаос), NZ 03 (Новая Зеландия). Исследования показывают, что использование метода РСА является эффективным как в качественном анализе, так и в выявлении различий между минералами, однако дифракционный пик каолинита и диккита относительно одинаковый, поэтому опознавание минералов затруднено. При этом метод ДСК легко выявляет пары минералов каолинита и диккита или диккита и галлуазита благодаря различиям эндотермического эффекта. Так как минералы каолинит и галлуазит имеют одинаковый эндотермический эффект 530- 590 °С, их распознавание методом ДСК считается трудным. Метод РСА эффективен в качественном анализе глинистых минералов в целом и минералов группы каолинита в частности; этот метод также эффективен при идентификации двух минералов: каолинита и галлуазита, что невозможно сделать с помощью метода ДСК. Однако опознавание двух минералов - диккита и каолинита - методом РСА в некоторых случаях затруднено. Для улучшения эффективности анализа глинистых грунтов для других объектов исследования и оценки качества каолина или очень тонкодисперсного минерала предлагается совместное использование методов РСА и ДСК.</p></abstract><trans-abstract xml:lang="en"><p>The aim of the study is to evaluate the effectiveness of X-ray diffraction analysis (XRD) and differential scanning calorimetry (DSC) used in the study of clay minerals. Due to the small particle size of clay minerals, XRD and DSC are considered most effective research methods. As a qualitative analysis for some kaolinite minerals is still a challenge, the authors present the results of a mineral composition analysis for three types of clays, i.e. VN 01 (Vietnam), Laos 02 (Laos) and NZ 03 (New Zealand) in order to evaluate the effectiveness of the two above-mentioned methods. The results show that the XRD method appears to be relatively effective in a qualitative analysis as well in distinguishing kaolinite and dickite from halloysite. As the diffraction peaks of kaolinite and dickite are quite close, it is difficult to differentiate between the two minerals, while kaolinite-dickite or dickite-halloysite pairs are easily distinguished by DSC due to their different endothermic effects. Kaolinite and halloysite have identical endothermic effects ranging from 530°C to 590°C which makes it difficult to differentiate between them using DSC. XRD method is effective in a qualitative analysis of clay minerals in general, and of kaolinite minerals in particular. It is also effective when distinguishing between kaolinite and halloysite, which is impossible when using DSC; though it is of a limited effectiveness when differentiating dickite and kaolinite. To improve the effectiveness of clay analysis for other research objects and to evaluate the quality of kaolin or other high-disperse minerals, combination of XRD and DSC methods is suggested.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>метод рентгеноструктурного анализа</kwd><kwd>метод дифференциальной сканирующей калориметрии</kwd><kwd>глинистые минералы</kwd><kwd>кристаллизация</kwd><kwd>экзотермический эффект</kwd><kwd>эндотермический эффект</kwd><kwd>сrystallization</kwd></kwd-group><kwd-group xml:lang="en"><kwd>X-ray diffraction analysis</kwd><kwd>differential scanning calorimetry method</kwd><kwd>clay minerals</kwd><kwd>exothermic effect</kwd><kwd>endothermic effect</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">Chatterjee K.K. Uses of industrial minerals, rocks and fresh water. New York: Nova Science Publishers Inc., 2009. 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