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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">vestich</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Национальной академии наук Беларуси. Серия химических наук</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of the National Academy of Sciences of Belarus, Chemical Series</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-8331</issn><issn pub-type="epub">2524-2342</issn><publisher><publisher-name>The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.29235/1561-8331-2022-58-3-263-272</article-id><article-id custom-type="elpub" pub-id-type="custom">vestich-736</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>НЕОРГАНИЧЕСКАЯ ХИМИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>INORGANIC CHEMISTRY</subject></subj-group></article-categories><title-group><article-title>Формирование октакальцийфосфата при взаимодействии карбоната кальция и монокальцийфосфата моногидрата в гальваностатических условиях</article-title><trans-title-group xml:lang="en"><trans-title>Formation of octacalcium phosphate in the interaction of calcium carbonate and monocalcium phosphate monohydrate under galvanostatic conditions</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>Крутько</surname><given-names>В. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Krut’ko</surname><given-names>V. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Крутько Валентина Константиновна – кандидат химических наук, доцент, заведующий лабораторией.</p><p>Ул. Сурганова, 9/1, 220072, Минск</p></bio><bio xml:lang="en"><p>Krut’ko Valentina K. – Ph. D. (Chemistry), Associate professor, Head of the Laboratory.</p><p>9/1, Surganov str., 220072, Minsk</p></bio><email xlink:type="simple">tsuber@igic.bas-net.by</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>Дорошенко</surname><given-names>А. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Doroshenko</surname><given-names>A. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Дорошенко Анна Евгеньевна – аспирант, младший научный сотрудник.</p><p>Ул. Сурганова, 9/1, 220072, Минск</p></bio><bio xml:lang="en"><p>Doroshenko Anna E. – Ph. D. student, Junior researcher.</p><p>9/1, Surganov str., 220072, Minsk</p></bio><email xlink:type="simple">tsuber@igic.bas-net.by</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>Мусская</surname><given-names>О. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Musskaya</surname><given-names>O. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Мусская Ольга Николаевна – кандидат химических наук, доцент, ведущий научный сотрудник.</p><p>Ул. Сурганова, 9/1, 220072, Минск</p></bio><bio xml:lang="en"><p>Musskaya Olga N. – Ph. D. (Chemistry), Associate professor, Leading researcher.</p><p>9/1, Surganov str., 220072, Minsk</p></bio><email xlink:type="simple">musskaja@igic.basnet.by</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>Рабчинский</surname><given-names>С. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Rabchynski</surname><given-names>S. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Рабчинский Сергей Михайлович – кандидат химических наук, доцент.</p><p>Пр-т Независимости, 4, 220030, Минск</p></bio><bio xml:lang="en"><p>Rabchinsky Sergey M. – Ph. D. (Chemistry), Associate 0professor.</p><p>4, Nezavisimosti ave., 220030, Minsk</p></bio><email xlink:type="simple">rabchinskij_sm@tut.by</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>Кулак</surname><given-names>А. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Kulak</surname><given-names>A. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кулак Анатолий Иосифович – академик НАН Беларуси, доктор химических наук, профессор, директор.</p><p>Ул. Сурганова, 9/1, 220072, Минск</p></bio><bio xml:lang="en"><p>Kulak Anatoly I. – Academician of the National Academy of Sciences of Belarus, D. Sc. (Chemistry), Professor, Director.</p><p>9/1, Surganov str., 220072, Minsk</p></bio><email xlink:type="simple">kulak@igic.bas-net.by</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт общей и неорганической химии, Национальная академия наук Беларуси</institution></aff><aff xml:lang="en"><institution>Institute of General and Inorganic Chemistry, National Academy of Sciences of Belarus</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Белорусский государственный университет</institution></aff><aff xml:lang="en"><institution>Belarusian State University</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>07</day><month>09</month><year>2022</year></pub-date><volume>58</volume><issue>3</issue><fpage>263</fpage><lpage>272</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Крутько В.К., Дорошенко А.Е., Мусская О.Н., Рабчинский С.М., Кулак А.И., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Крутько В.К., Дорошенко А.Е., Мусская О.Н., Рабчинский С.М., Кулак А.И.</copyright-holder><copyright-holder xml:lang="en">Krut’ko V.K., Doroshenko A.E., Musskaya O.N., Rabchynski S.M., Kulak A.I.</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://vestichem.belnauka.by/jour/article/view/736">https://vestichem.belnauka.by/jour/article/view/736</self-uri><abstract><p>Кальцийфосфатный композит октакальцийфосфат/кальцит получали в водной среде при pH 5–7 из суспензии CaCO3/Ca(H2PO4)2 в гальваностатическом режиме при плотности тока 20 мА/см2 в течение 20 мин. Высушивание при 80 °C без стадии созревания осадка приводило к получению порошка, состоящего из брушита, кальцита и малого количества октакальцийфосфата. Длительное созревание на воздухе (2 мес.) приводило к гидролитической трансформации брушита в октакальцийфосфат, стабилизированный кальцитом. Использование электрического тока позволило увеличить количество октакальцийфосфата в составе композитного порошка с морфологией пластинчатых розеток. Термообработка при 800 °C композитных порошков приводила к формированию α/β-трикальцийфосфата, β-пирофосфата кальция, гидроксиапатита и оксида кальция.</p></abstract><trans-abstract xml:lang="en"><p>The calcium phosphate composite octacalcium phosphate / calcite was obtained at pH 5–7 from the CaCO3/Ca(H2PO4)2 aqueous suspension in a galvanostatic mode at a current density of 20 mA/cm2 for 20 min. Drying at 80 °C without the precipitate maturation stage led to a powder formation consisting of brushite, calcite and a small amount of octacalcium phosphate. Prolonged maturation in air for 2 months led to the hydrolytic transformation of brushite into octacalcium phosphate stabilized by calcite. The use of electric current made it possible to increase the amount of octacalcium phosphate in the composite powder with the morphology of lamellar rosettes. Calcination at 800 °C of the composite powders led to the formation of α/β-tricalcium phosphate, β-calcium pyrophosphate, hydroxyapatite, and calcium oxide.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>октакальцийфосфат</kwd><kwd>кальцит</kwd><kwd>дикальцийфосфат дигидрат</kwd><kwd>гальваностатический режим</kwd><kwd>трикальцийфосфат</kwd><kwd>гидроксиапатит</kwd></kwd-group><kwd-group xml:lang="en"><kwd>octacalciumphosphate</kwd><kwd>calcite</kwd><kwd>dicalcium phosphate dehydrate</kwd><kwd>galvanostatic mode</kwd><kwd>tricalcium phosphate</kwd><kwd>hydroxyapatite</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при финансовой поддержке ГПНИ «Химические процессы, реагенты и технологии, биорегуляторы и биооргхимия» по заданию 2.1.04.7 на 2021–2025 гг.</funding-statement><funding-statement xml:lang="en">The work was financially supported by the SPSR “Chemical processes, reagents and technologies, bioregulators and bioorganic chemistry” under assignment 2.1.04.7 for 2021–2025</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">Bucholz, R. 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