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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="en"><front><journal-meta><journal-id journal-id-type="publisher-id">chemicallytech</journal-id><journal-title-group><journal-title xml:lang="en">Fine Chemical Technologies</journal-title><trans-title-group xml:lang="ru"><trans-title>Тонкие химические технологии</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2410-6593</issn><issn pub-type="epub">2686-7575</issn><publisher><publisher-name>MIREA – Russian Technological University (RTU MIREA).</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.32362/2410-6593-2016-11-1-29-33</article-id><article-id custom-type="elpub" pub-id-type="custom">chemicallytech-4</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="en"><subject>CHEMISTRY AND TECHNOLOGY OF INORGANIC MATERIALS</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ХИМИЯ И ТЕХНОЛОГИЯ НЕОРГАНИЧЕСКИХ МАТЕРИАЛОВ</subject></subj-group></article-categories><title-group><article-title>THE ION-EXCHANGE PROPERTIES OF NATURAL ZEOLITE MORDENITE</article-title><trans-title-group xml:lang="ru"><trans-title>ИОНООБМЕННЫЕ СВОЙСТВА ПРИРОДНОГО ЦЕОЛИТА МОРДЕНИТА</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>Мамедова</surname><given-names>Г. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Mamedova</surname><given-names>G. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Nakhchivan, AZ 7000 Azerbaijan Republic</p></bio><bio xml:lang="en"><p>Nakhchivan, AZ 7000 Azerbaijan Republic</p></bio><email xlink:type="simple">chinashka89@yahoo.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Нахчыванское отделение Национальной Академии Наук Азербайджана</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Nakhchivan Branch of the National Academy of Sciences of Azerbaijan</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2016</year></pub-date><pub-date pub-type="epub"><day>28</day><month>02</month><year>2016</year></pub-date><volume>11</volume><issue>1</issue><fpage>29</fpage><lpage>33</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Mamedova G.A., 2016</copyright-statement><copyright-year>2016</copyright-year><copyright-holder xml:lang="ru">Мамедова Г.А.</copyright-holder><copyright-holder xml:lang="en">Mamedova G.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.finechem-mirea.ru/jour/article/view/4">https://www.finechem-mirea.ru/jour/article/view/4</self-uri><abstract><p>The cation exchange properties of mordenite (a Nakhchivan natural zeolite) were studied. Ion exchange of the original cations - sodium, potassium and calcium - by magnesium, strontium, cadmium, zinc and nickel cations was carried out. It was found that in the case of Zn cations cation exchange occurs readily at a high speed and the maximum value of the degree of exchange. A low value of the degree of cation exchange is observed for Mg. This is due to the large hydration shell of magnesium, which adversely affects the cation exchange. High values of the exchange rate of Na+ cations have already been explained at the first exchange of low content of sodium cations and their location mostly in exchange for positions available. The lesser ability to exchange K+, Na+ cations than contained in the natural zeolite is due to several reasons. With an increasing number of degrees of ionic exchange value exchangeable cations K+ vary to a greater degree than the degree of exchange of the cations Na+. Firstly, the content and size of the K+ cation are greater than those of the Na+ cations. Furthermore, a part of the K+ cations is in exchange for hard cancrinites cells. It has been found that the degree of cation exchange of K+ (αK), contained in the original zeolite, with Mg2+, Ni2+, Sr2+, Zn2+, Cd2+ cations is considerably lower than the values of the degree of cation exchange of Na+ (αNa) at the same cations.</p></abstract><trans-abstract xml:lang="ru"><p>Исследованы катионообменные свойства природного цеолита Нахчывана - морденита. Ионный обмен исходных катионов - натрия, калия и кальция проводили на катионы магния, стронция, кадмия, цинка и никеля. Было установлено, что значения степеней обмена катионов К+ (αK), содержащихся в исходном цеолите, на катионы Mg, Ni, Sr, Zn, Cd значительно ниже, чем значения степени обмена катионов Na+ (αNa) на те же самые катионы.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>природный цеолит</kwd><kwd>ионообменные свойства</kwd><kwd>катион</kwd><kwd>морденит</kwd><kwd>степень обмена</kwd><kwd>ИК-спектр</kwd><kwd>валентнoе колебание</kwd></kwd-group><kwd-group xml:lang="en"><kwd>natural zeolite</kwd><kwd>ion-exchange properties</kwd><kwd>cation</kwd><kwd>mordenite</kwd><kwd>degree of exchange</kwd><kwd>IR-spectrum</kwd><kwd>stretching vibration</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">Альтшулер Г. Н., Шкуренко Г. Ю. // Известия АН СССР. Сер. хим. наук. 1985. Вып. 2. № 5. С. 121-23.</mixed-citation><mixed-citation xml:lang="en">Al`tshuler G.N., Shkurenko G. 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