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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">10.32362/2410-6593-2017-12-3-52-57</article-id><article-id custom-type="elpub" pub-id-type="custom">chemicallytech-93</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>SyNTHESIS OF GALLIUM SULFATE</article-title><trans-title-group xml:lang="ru"><trans-title>СИНТЕЗ СУЛЬФАТА ГАЛЛИЯ</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>Пройдакова</surname><given-names>В. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Proydakova</surname><given-names>V. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>магистр кафедры химии и технологии редких и рассеянных элементов, наноразмерных и композиционных материалов им. К.А. Большакова</p><p>119571, Россия, Москва, пр-т Вернадского, д. 86</p></bio><bio xml:lang="en"><p>Moscow 119571, Russia</p></bio><email xlink:type="simple">vera.proydakova@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>Кузнецов</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kuznetsov</surname><given-names>S. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат химических наук, старший научный сотрудник</p><p>119991, Россия, Москва, ул. Вавилова, д. 38</p></bio><bio xml:lang="en"><p>Moscow 119991, Russia</p></bio><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>Воронов</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Voronov</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат физико-математических наук, заведующий лабораторией</p><p>119991, Россия, Москва, ул. Вавилова, д. 38</p></bio><bio xml:lang="en"><p>Moscow 119991, Russia</p></bio><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>Федоров</surname><given-names>П. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Fedorov</surname><given-names>P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор химических наук, профессор кафедры химии и технологии редких и рассеянных элементов, наноразмерных и композиционных материалов им. К.А. Большакова</p><p>119571, Россия, Москва, пр-т Вернадского, д. 86</p><p>заведующий лабораторией</p><p>119991, Россия, Москва, ул. Вавилова, д. 38</p></bio><bio xml:lang="en"><p>Moscow 119571, Russia</p><p>Moscow 119991, Russia</p></bio><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Московский технологический университет (Институт тонких химических технологий)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Moscow Technological University (Institute of Fine Chemical Technologies)</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт общей физики им. А.М. Прохорова РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>A.M. Prokhorov Institute of General Physics</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2017</year></pub-date><pub-date pub-type="epub"><day>28</day><month>06</month><year>2017</year></pub-date><volume>12</volume><issue>3</issue><fpage>52</fpage><lpage>57</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Proydakova V.Y., Kuznetsov S.V., Voronov V.V., Fedorov P.П., 2017</copyright-statement><copyright-year>2017</copyright-year><copyright-holder xml:lang="ru">Пройдакова В.Ю., Кузнецов С.В., Воронов В.В., Федоров П.П.</copyright-holder><copyright-holder xml:lang="en">Proydakova V.Y., Kuznetsov S.V., Voronov V.V., Fedorov P.</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/93">https://www.finechem-mirea.ru/jour/article/view/93</self-uri><abstract><p>Trivalent gallium compounds are structural analogs of the elements with variable valency in (+3) oxidation state that can be used as cathode materials for electrochemical power devices (iron, vanadium, chromium). Literature data about gallium(III) sulfate are quite scarce. So, we developed a preparation technique for synthesizing Ga2(SO4)3 from Ga(CH3COO)2OH as a starting material. The latter was dissolved in sulfuric acid. Then gallium(III) sulfate hydrate was precipitated under cooling. The obtained precipitate is extremely hygroscopic, and it deliquesces quickly under aerobic ambient conditions. The synthesized gallium(III) sulfate hydrate was dried on the filter and then kept in vacuum at 10-2 torr for two hours to remove traces of water and acetic acid. Gallium(III) sulfate, its intermediates and products of its thermal treatment were studied by differential thermal analysis (DTA) and X-ray diffraction phase analysis. The content of crystallization water in gallium(III) sulfate hydrate was determined, and the composition of the crystallohydrate was established as Ga2(SO4)3·18H2O. (The original X-ray diffraction pattern of the latter is disclosed below in this paper.) The mentioned crystallohydrate lost its water in six steps within 40-350 °С temperature range and formed anhydrous Ga2(SO4)3, which, in turn, decomposed at 700 °С and produced nanocrystalline gallium oxide, Ga2O3. Anhydrous gallium(III) sulfate is slightly hygroscopic, so it should be stored in a desiccator. It was found that propanol-2 (isopropanol) can be used to precipitate gallium(III) sulfate from aqueous sulfuric acid: isopropanol extracts acetic acid and, thus, exhibits salting-out activity. The formed amorphous precipitate partially loses its mass when heated up to 400 °С. However, a single phase Ga2(SO4)3 specimen could not be synthesized by this method. Considering similarities between gallium and indium, it can be assumed that Ga2(SO4)3 precipitate is contaminated by gallium oxosulfate.</p></abstract><trans-abstract xml:lang="ru"><p>Соединения галлия(III) являются кристаллохимическими аналогами соединений элементов переменной валентности в степени окисления (+3), представляющие интерес как катодные материалы для электрохимических источников тока (железо, ванадий, хром). Литературные данные о сульфате галлия немногочисленны. Разработана методика синтеза безводного Ga2(SO4)3 из основного ацетата галлия. Образующийся гидратированный сульфат галлия чрезвычайно гигроскопичен. Его сушили на фильтре, а затем в динамическом вакууме 10-2 Торр, в течение 2 ч с целью удаления воды и остатков уксусной кислоты. Сульфат галлия, полупродукты его синтеза и продукты термической обработки изучены методами дифференциально-термического и рентгенофазового анализа. Рассчитано количество кристаллизационной воды и установлен состав кристаллогидрата Ga2(SO4)3∙18H2O. В интервале температур 40-350 ºС кри-сталлогидрат теряет воду в шесть стадий до безводного Ga2(SO4)3, который, в свою очередь, разлагается при 700 ºС, образуя нанокристаллический оксид Ga2O3. Безводный сульфат галлия слабо гигроскопичен и требует хранения в эксикаторе. Показано, что для выделения сульфата галлия из сернокислого раствора может быть использован пропанол-2, экcтрагирующий уксусную кислоту и, как следствие, обладающий высаливающим действием. Образуется аморфное вещество, который теряет массу при нагревании до 400 ºС. Однако рентгенографически чистый Ga2(SO4)3 получить таким образом не удается. По аналогии с соединениями индия можно предположить частичное образование оксосульфата галлия.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>галлий</kwd><kwd>сульфат галлия</kwd><kwd>термогравиметрический анализ</kwd><kwd>рентгенофазовый анализ</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Ga2(SO4)3</kwd><kwd>gallium</kwd><kwd>gallium sulfate</kwd><kwd>Ga2(SO4)3</kwd><kwd>thermogravimetric analysis</kwd><kwd>X-ray diffraction phase analysis</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">Palacin M.R. Recent advances in rechargeable battery materials: a chemist’s perspective // Chem. Soc. Rev. 2009. V. 38. P. 2565-2575.</mixed-citation><mixed-citation xml:lang="en">Palacin M.R. Recent advances in rechargeable battery materials: a chemist’s perspective // Chem. Soc. Rev. 2009. V. 38. P. 2565–2575.</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Dunn B., Kamath H., Tarascon J.M. Electrical energy storage for the grid: a battery of choices // Science. 2011. V. 1334. P. 928-935.</mixed-citation><mixed-citation xml:lang="en">Dunn B., Kamath H., Tarascon J.M. Electrical energy storage for the grid: a battery of choices // Science. 2011. V. 1334. P. 928–935.</mixed-citation></citation-alternatives></ref><ref id="cit3"><label>3</label><citation-alternatives><mixed-citation xml:lang="ru">Wang Y., Li H., Chen M., Yang X., Jiang D. Synthesis and electrochemical performance of LiFePO4/C cathode materials from Fe2O3 for high-power lithium-ion batteries // Ionics. 2017. V. 23. № 2. P. 377-384.</mixed-citation><mixed-citation xml:lang="en">Wang Y., Li H., Chen M., Yang X., Jiang D. Synthesis and electrochemical performance of LiFePO4/C cathode materials from Fe2O3 for high-power lithium-ion batteries // Ionics. 2017. V. 23. № 2. P. 377–384.</mixed-citation></citation-alternatives></ref><ref id="cit4"><label>4</label><citation-alternatives><mixed-citation xml:lang="ru">Xiang X., Zhang K., Chen J. Recent advances and prospects of cathode materials for sodium-ion batteries // Adv. Mater. 2015. V. 27. P. 5343-5364.</mixed-citation><mixed-citation xml:lang="en">Xiang X., Zhang K., Chen J. Recent advances and prospects of cathode materials for sodium-ion batteries // Adv. Mater. 2015. V. 27. P. 5343–5364.</mixed-citation></citation-alternatives></ref><ref id="cit5"><label>5</label><citation-alternatives><mixed-citation xml:lang="ru">Barpanda P., Oyama G., Ling C.D., Yamada A. Krohnkite-type Na2Fe(SO4)2·2H2O as a novel 3.25 V insertion compound for Na-ion batteries // Chem. Mater. 2014. V. 26. P. 1297-1299.</mixed-citation><mixed-citation xml:lang="en">Barpanda P., Oyama G., Ling C.D., Yamada A. Krohnkite-type Na2Fe(SO4)2·2H2O as a novel 3.25 V insertion compound for Na-ion batteries // Chem. Mater. 2014. V. 26. P. 1297–1299.</mixed-citation></citation-alternatives></ref><ref id="cit6"><label>6</label><citation-alternatives><mixed-citation xml:lang="ru">Ivanova R.V. Khimiya i tekhnologiya galliya [Chemistry and technolodgy of gallium]. Moscow: Metallurgiya Publ., 1973. 320 p. (in Russ.).</mixed-citation><mixed-citation xml:lang="en">Ivanova R.V. Khimiya i tekhnologiya galliya [Chemistry and technolodgy of gallium]. Moscow: Metallurgiya Publ., 1973. 320 p. (in Russ.).</mixed-citation></citation-alternatives></ref><ref id="cit7"><label>7</label><citation-alternatives><mixed-citation xml:lang="ru">Fedorov P.I., Mokhosoev M.V., Alexeev F.P. Khimiya galliya, indiya i talliya [Chemistry of gallium, indium and tallium]. Novosibirsk: Nauka Publ., 1977. 224 p. (in Russ.).</mixed-citation><mixed-citation xml:lang="en">Fedorov P.I., Mokhosoev M.V., Alexeev F.P. Khimiya galliya, indiya i talliya [Chemistry of gallium, indium and tallium]. Novosibirsk: Nauka Publ., 1977. 224 p. (in Russ.).</mixed-citation></citation-alternatives></ref><ref id="cit8"><label>8</label><citation-alternatives><mixed-citation xml:lang="ru">Yatcenko S.P. Solubility isothe8. Yatcenko S.P. Solubility isotherm in the Ga&lt;sub&gt;2&lt;/sub&gt;O&lt;sub&gt;3&lt;/sub&gt;-SO3-H2O system at 20-degrees // Zhurn. neorg. khimii rm in the Ga2O3-SO3-H2O system at 20-degrees // Zhurn. neorg. khimii</mixed-citation><mixed-citation xml:lang="en">Yatcenko S.P. Solubility isotherm in the Ga2O3-SO3-H2O system at 20-degrees // Zhurn. neorg. khimii (Russian J. Inorg. Chem.). 1961. V. 6. P. 1922–1925 (in Russ.).</mixed-citation></citation-alternatives></ref><ref id="cit9"><label>9</label><citation-alternatives><mixed-citation xml:lang="ru">Fricke R., Blencke W. Beiträge zur chemie des galliums // Z. anorg. allg. Chem. 1925. B.143. S. 183-193.10. Kokkoros P.A. Röntgenuntersuchung der wasserfreien Sulfate der dreiwertigen Metalle Eisen, Chrom und Gallium // Tscher. Miner. Petrog. 1965. V. 10. P. 45-51.</mixed-citation><mixed-citation xml:lang="en">Fricke R., Blencke W. Beiträge zur chemie des galliums // Z. anorg. allg. Chem. 1925. B.143. S. 183–193.</mixed-citation></citation-alternatives></ref><ref id="cit10"><label>10</label><citation-alternatives><mixed-citation xml:lang="ru">Krause M., Gruehn R. Contributions on the thermal behavior of sulphates. XVII. Single crystal structure refinements of In&lt;sub&gt;2&lt;/sub&gt;(SO4)&lt;sub&gt;3 &lt;/sub&gt;and Ga2(SO4)3 // Z. Krist. 1995. Bd. 210. S. 427-431.</mixed-citation><mixed-citation xml:lang="en">Kokkoros P.A. Röntgenuntersuchung der wasserfreien Sulfate der dreiwertigen Metalle Eisen, Chrom und Gallium // Tscher. Miner. Petrog. 1965. V. 10. P. 45–51.</mixed-citation></citation-alternatives></ref><ref id="cit11"><label>11</label><citation-alternatives><mixed-citation xml:lang="ru">Baudler M., Brauer G., Feher F., F. Huber, Klement R., Kwasnik W., Schenk P.W., Schmeisser M., Steudel R. Handbuch der praparativen Anorganischen Chemie. Stuttgart: Enke Verlag, 1975. 608 s.</mixed-citation><mixed-citation xml:lang="en">Krause M., Gruehn R. Contributions on the thermal behavior of sulphates. XVII. Single crystal structure refinements of In2(SO4)3 and Ga2(SO4)3 // Z. Krist. 1995. Bd. 210. S. 427–431.</mixed-citation></citation-alternatives></ref><ref id="cit12"><label>12</label><citation-alternatives><mixed-citation xml:lang="ru">Fedorov P.I., Jiang Chi-Juing. The system Na, Al//SO4 // Zhurn. neorg. khimii (Russian J. Inorg. Chem.). 1966. V. 11. № 3. P. 669-671 (in Russ.).</mixed-citation><mixed-citation xml:lang="en">Baudler M., Brauer G., Feher F., F. Huber, Klement R., Kwasnik W., Schenk P.W., Schmeisser M., Steudel R. Handbuch der praparativen Anorganischen Chemie. Stuttgart: Enke Verlag, 1975. 608 s.</mixed-citation></citation-alternatives></ref><ref id="cit13"><label>13</label><citation-alternatives><mixed-citation xml:lang="ru">Fedorov P.I., Akchurin R.H. Indium. М.: Nauka Publ., 2000. 276 p. (in Russ.); Peking: Ed. Peking University Press, 2005 (in Chinese).</mixed-citation><mixed-citation xml:lang="en">Fedorov P.I., Jiang Chi-Juing. The system Na, Al//SO4 // Zhurn. neorg. khimii (Russian J. Inorg. Chem.). 1966. V. 11. № 3. P. 669–671 (in Russ.).</mixed-citation></citation-alternatives></ref><ref id="cit14"><label>14</label><citation-alternatives><mixed-citation xml:lang="ru">Fedorov P.I., Akchurin R.H. Indium. М.: Nauka Publ., 2000. 276 p. (in Russ.); Peking: Ed.  Peking University Press, 2005 (in Chinese).</mixed-citation><mixed-citation xml:lang="en">Fedorov P.I., Akchurin R.H. Indium. М.: Nauka Publ., 2000. 276 p. (in Russ.); Peking: Ed.  Peking University Press, 2005 (in Chinese).</mixed-citation></citation-alternatives></ref></ref-list><fn-group><fn fn-type="conflict"><p>The authors declare that there are no conflicts of interest present.</p></fn></fn-group></back></article>
