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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-166</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>ИК СПЕКТРОСКОПИЯ И РЕНТГЕНОФАЗОВЫЙ АНАЛИЗ ХИМИЧЕСКОГО СОСТАВА ЖЕЛЧНЫХ КАМНЕЙ</article-title><trans-title-group xml:lang="en"><trans-title>IR-SPECTROSCOPY AND X-RAY PHASE ANALYSIS OF THE CHEMICAL COMPOSITION OF GALLSTONES</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>Пичугина</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Pichugina</surname><given-names>A. A.</given-names></name></name-alternatives><email xlink:type="simple">alina.com9@mail.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>Цыро</surname><given-names>Л. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Tsyro</surname><given-names>L. V.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</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>Унгер</surname><given-names>Ф. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Unger</surname><given-names>F. G.</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>Национальный исследовательский Томский государственный университет</institution></aff><aff xml:lang="en"><institution>National Research Tomsk State University</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Сургутский государственный университет</institution></aff><aff xml:lang="en"><institution>Surgut State University</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2017</year></pub-date><pub-date pub-type="epub"><day>10</day><month>03</month><year>2020</year></pub-date><volume>84</volume><issue>6</issue><fpage>947</fpage><lpage>952</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Пичугина А.А., Цыро Л.В., Унгер Ф.Г., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Пичугина А.А., Цыро Л.В., Унгер Ф.Г.</copyright-holder><copyright-holder xml:lang="en">Pichugina A.A., Tsyro L.V., Unger F.G.</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/166">https://zhps.ejournal.by/jour/article/view/166</self-uri><abstract><p>Методами рентгенофазового анализа и ИК спектроскопии исследован состав неорганической и органической частей желчных камней. Показано, что в состав исследуемых желчных камней входят холестерин, билирубин, билирубинат кальция, карбонат кальция, фосфат и гидрофосфат кальция с преобладанием холестерина. Проведены послойное разделение желчного камня и отделение неорганической части путем отжига. Установлено, что содержание неорганических соединений преобладает во внешнем слое желчного камня, что связано с механизмом их образования. В состав неорганической части входит карбонат кальция двух модификаций - кальцит и ватерит.</p></abstract><trans-abstract xml:lang="en"><p>The composition of inorganic and organic parts of gallstones is investigated by the methods of X-ray phase analysis and IR spectroscopy. It is shown that cholesterol, bilirubin, calcium bilirubinate, calcium carbonate, and calcium hydrogen phosphate are the parts of gallstones. Meanwhile, cholesterol is prevailing. A layered separation of the gallstone as well as a separation of its inorganic part by the annealing are carried out. It is established that the inorganic compounds predominate in the outer layer of the gallstone, which is related to the mechanism of its formation. The composition of the inorganic part includes calcium carbonate of two modifications: calcite and waterite.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>желчный камень</kwd><kwd>свободные радикалы</kwd><kwd>рентгенофазовый анализ</kwd><kwd>ИК спектроскопия</kwd><kwd>gallstone</kwd><kwd>free radicals</kwd><kwd>X-ray phase analysis</kwd><kwd>IR spectroscopy</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">L. Klimek. Archiv. Found. Engin., 11, N 3 (2011) 117-120</mixed-citation><mixed-citation xml:lang="en">L. Klimek. Archiv. Found. Engin., 11, N 3 (2011) 117-120</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">A. Parviainen, J. M. 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