<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE article PUBLIC "-//NLM//DTD JATS (Z39.96) Journal Publishing DTD v1.3 20210610//EN" "JATS-journalpublishing1-3.dtd">
<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">cvmet</journal-id><journal-title-group><journal-title xml:lang="ru">Известия вузов. Цветная металлургия</journal-title><trans-title-group xml:lang="en"><trans-title>Izvestiya. Non-Ferrous Metallurgy</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0021-3438</issn><issn pub-type="epub">2412-8783</issn><publisher><publisher-name>НИТУ МИСИС</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17073/0021-3438-2021-2-4-13</article-id><article-id custom-type="elpub" pub-id-type="custom">cvmet-1237</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>Металлургия редких и благородных металлов</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Metallurgy of Rare and Precious Metals</subject></subj-group></article-categories><title-group><article-title>Экспериментальное исследование закономерностей электрохимической сорбции/десорбции ионов золота (III)</article-title><trans-title-group xml:lang="en"><trans-title>Experimental study of gold (III) ion electrochemical sorption/desorption regularities</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>Мансуров</surname><given-names>З. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Mansurov</surname><given-names>Z. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>докт. хим. наук, профессор кафедры химической физики и материаловедения (ХФМ); науч. руководитель </p><p>050040, г. Алматы, пр. аль-Фараби, 71050012, г. Алматы, ул. Богенбай батыра, 172</p></bio><bio xml:lang="en"><p>Dr. Sci. (Chem.), Professor of the Department of chemical physics and material science; Scientific director</p><p>050040, Almaty, al-Farabi ave., 71</p><p>050012, Almaty, Bogenbai Batyr str., 172 </p></bio><email xlink:type="simple">zmansurov@kaznu.kz</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>Супиева</surname><given-names>Ж. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Supiyeva</surname><given-names>Zh. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>докторант кафедры ХФМ; науч. сотрудник</p></bio><bio xml:lang="en"><p>Doctoral student of the Department of chemical physics and material science; Research scientist </p><p> Almaty </p></bio><email xlink:type="simple">zhazyra@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>Елеуов</surname><given-names>М. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Yeleuov</surname><given-names>М. А.</given-names></name></name-alternatives><bio xml:lang="ru"><p>докторант; науч. сотрудник</p><p>050013, г. Алматы, ул. Сатпаева, 22</p></bio><bio xml:lang="en"><p>Doctoral student; Research scientist</p><p>050013, Almaty, Satbayev str., 22</p></bio><email xlink:type="simple">mukhtar.yu@gmail.com</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>Таурбеков</surname><given-names>А. Т.</given-names></name><name name-style="western" xml:lang="en"><surname>Таurbekov</surname><given-names>А. Т.</given-names></name></name-alternatives><bio xml:lang="ru"><p>докторант кафедры ХФМ; науч. сотрудник </p><p>г. Алматы</p></bio><bio xml:lang="en"><p>Doctoral student of the Department of chemical physics and material science; Research scientist </p><p> Almaty </p></bio><email xlink:type="simple">azamat.taurbek@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>Павленко</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Pavlenko</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>ст. преподаватель кафедры ХФМ; вед. науч. сотрудник</p><p>г. Алматы </p></bio><bio xml:lang="en"><p>Senior lecturer of the Department of chemical physics and material science; Leading research scientist </p><p> Almaty </p></bio><email xlink:type="simple">pavlenko-almaty@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>Смагулова</surname><given-names>Г. Т.</given-names></name><name name-style="western" xml:lang="en"><surname>Smagulova</surname><given-names>G. T.</given-names></name></name-alternatives><bio xml:lang="ru"><p>ст. преподаватель кафедры ХФМ; зав. лабораторией функциональных наноматериалов </p><p>г. Алматы</p></bio><bio xml:lang="en"><p>Senior lecturer of the Department of chemical physics and material science; Нead of the Laboratory of functional nanomaterials </p><p> Almaty </p></bio><email xlink:type="simple">smagulova.gaukhar@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Казахский национальный университет им. аль-Фараби; Институт проблем горения</institution><country>Казахстан</country></aff><aff xml:lang="en"><institution>Аl-Farabi Kazakh National University; Institute of Combustion Problems</institution><country>Kazakhstan</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт проблем горения; Казахский национальный исследовательский технический университет им. К.И. Сатпаева</institution><country>Казахстан</country></aff><aff xml:lang="en"><institution>Institute of Combustion Problems; Satbayev University</institution><country>Kazakhstan</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>18</day><month>04</month><year>2021</year></pub-date><volume>27</volume><issue>2</issue><fpage>4</fpage><lpage>13</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Мансуров З.А., Супиева Ж.А., Елеуов М.А., Таурбеков А.Т., Павленко В.В., Смагулова Г.Т., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Мансуров З.А., Супиева Ж.А., Елеуов М.А., Таурбеков А.Т., Павленко В.В., Смагулова Г.Т.</copyright-holder><copyright-holder xml:lang="en">Mansurov Z.A., Supiyeva Z.A., Yeleuov М.А., Таurbekov А.Т., Pavlenko V.V., Smagulova G.T.</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://cvmet.misis.ru/jour/article/view/1237">https://cvmet.misis.ru/jour/article/view/1237</self-uri><abstract><p>Для Республики Казахстан, как для страны с развитыми добывающими и перерабатывающими отраслями промышленности, актуальным направлением является развитие областей знаний, направленных на улучшение и совершенствование методов и технологий комплексной переработки сырья, в том числе для более полного извлечения благородных металлов. Основанием необходимости проведения этих исследований являются высокие потери благородных металлов при их переработке и выделении, а также совершенствование процесса их концентрирования. Достижения в области углеродных наноматериалов открывают большие перспективы для модернизации существующих технологий извлечения благородных металлов из отходящих растворов и пульп. В настоящей работе проведены комплексные исследования влияния скорости потока растворов, величины pH и присутствия ионов других металлов на извлечение золота на углеродном наноструктурированном материале из рисовой шелухи с дальнейшей его регенерацией и повторным использованием. Выявлено, что наивысшая степень извлечения ионов золота (III) наблюдается при pH ~ 2. Исследована эффективность извлечения золота при совместном присутствии меди, никеля и серебра. Рассмотрена зависимость электрохимической восстановительной сорбции золота от скорости потока растворов, оптимальная величина которой составила 10 мл/мин. Рассчитана сорбционная емкость сорбента на основе карбонизованной рисовой шелухи. Исследование электрохимической сорбции/десорбции ионов золота (III) показало, что процесс десорбции лучше протекает в смеси ацетон + вода + NaOH. При этом степень десорбции достигает 96 %, что свидетельствует о возможности регенерации углеродного материала электрода для повторного применения. Полученные результаты могут быть применены для оптимизации процессов извлечения благородных металлов из их растворов.</p></abstract><trans-abstract xml:lang="en"><p>For the Republic of Kazakhstan as a country with developed mining and processing sectors, a topical issue is to develop the areas of knowledge aimed at improving and refining methods and technologies for comprehensive mineral processing including for the more complete extraction of precious metals. The necessity of these studies is determined by the high loss of precious metals during their processing and separation and the need to improve the process of their concentration. Advances in the field of carbon nanomaterials offer great prospects for improving existing technologies for the precious metal extraction from waste solutions and pulps. This paper covers the comprehensive studies into the influence of the solution flow rates, pH and the presence of ions of other metals on the extraction of gold on a carbon nanostructured material consisting of rice husk with its further regeneration and reuse. It was found that the highest gold (III) ion recovery is observed at pH ~ 2. The gold recovery efficiency was studied in the combined presence of copper, nickel and silver. The dependence of the electrochemical reduction sorption of gold on the flow rate of solutions was investigated. It was found that the optimal solution flow rate is 10 ml/min. The sorption capacity of a sorbent based on carbonized rice husk was calculated. The investigation of electrochemical sorption/desorption of gold (III) ions showed that the desorption process runs better in an acetone + water + NaOH mixture with a desorption degree of 96 %. This demonstrates the possibility of regenerating the electrode carbon material for reuse. The results obtained can be used to optimize the processes of extraction of precious metals from their solutions.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>активированные угли</kwd><kwd>благородные металлы</kwd><kwd>электрохимическая сорбция</kwd><kwd>десорбция</kwd></kwd-group><kwd-group xml:lang="en"><kwd>activated carbons</kwd><kwd>precious metals</kwd><kwd>electrochemical sorption</kwd><kwd>desorption</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при финансовой поддержке Министерства образования и науки Республики Казахстан (проект № AP05134691).</funding-statement><funding-statement xml:lang="en">The study was carried out under financial support of the Ministry of Education and Science of the Republic of Kazakhstan (Project № AP05134691).</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">Кинцле Х., Бадер Э. Активные угли и их промышленное применение. Л.: Химия, 1984. Kintsle H., Bader E. Active coals and their industrial applications. Leningrad: Khimiya, 1984 (In Russ.).</mixed-citation><mixed-citation xml:lang="en">Кинцле Х., Бадер Э. Активные угли и их промышленное применение. Л.: Химия, 1984. Kintsle H., Bader E. Active coals and their industrial applications. Leningrad: Khimiya, 1984 (In Russ.).</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Sun T.M., Yen W.T. Kinetics of gold chloride adsorption onto activated carbon. Miner. Eng. 1993. Vol. 6(1). Р. 17—29.</mixed-citation><mixed-citation xml:lang="en">Sun T.M., Yen W.T. Kinetics of gold chloride adsorption onto activated carbon. Miner. Eng. 1993. Vol. 6(1). Р. 17—29.</mixed-citation></citation-alternatives></ref><ref id="cit3"><label>3</label><citation-alternatives><mixed-citation xml:lang="ru">Morcali M. H., Zeytuncu B., Akman S., Yucel O. Sorption of gold from electronic waste solutions by a commercial sorbent. Chem. Eng. Comm. 2014. Vol. 201 (8). P. 1041— 1053.</mixed-citation><mixed-citation xml:lang="en">Morcali M. H., Zeytuncu B., Akman S., Yucel O. Sorption of gold from electronic waste solutions by a commercial sorbent. Chem. Eng. Comm. 2014. Vol. 201 (8). P. 1041— 1053.</mixed-citation></citation-alternatives></ref><ref id="cit4"><label>4</label><citation-alternatives><mixed-citation xml:lang="ru">Albishri H.M., Marwani H.M. Chemically modified activated carbon with tris(hydroxymethyl)aminomethane for selective adsorption and determination of gold in water samples. Arab. J. Chem. 2016. Vol. 9. P. S252—S258.</mixed-citation><mixed-citation xml:lang="en">Albishri H.M., Marwani H.M. Chemically modified activated carbon with tris(hydroxymethyl)aminomethane for selective adsorption and determination of gold in water samples. Arab. J. Chem. 2016. Vol. 9. P. S252—S258.</mixed-citation></citation-alternatives></ref><ref id="cit5"><label>5</label><citation-alternatives><mixed-citation xml:lang="ru">Parlayıcı Ş., Pehlivan E. Adsorption of Cr (VI) from the aqueous solution by apricot stones activated carbon. Inter. Proc. Chem., Biol. Envir. Engin. 2017. Vol. 101. P. 142—148.</mixed-citation><mixed-citation xml:lang="en">Parlayıcı Ş., Pehlivan E. Adsorption of Cr (VI) from the aqueous solution by apricot stones activated carbon. Inter. Proc. Chem., Biol. Envir. Engin. 2017. Vol. 101. P. 142—148.</mixed-citation></citation-alternatives></ref><ref id="cit6"><label>6</label><citation-alternatives><mixed-citation xml:lang="ru">Mansurov Z.A., Mansurova R.M., Zakharov V.A., Supiyeva Zh.A. Adsorption of Au (III) ions by carbonized apricot stones in presence of heavy metal ions. J. Chem. Technol. Metal. 2020. Vol. 55 (5). P. 1047—1056.</mixed-citation><mixed-citation xml:lang="en">Mansurov Z.A., Mansurova R.M., Zakharov V.A., Supiyeva Zh.A. Adsorption of Au (III) ions by carbonized apricot stones in presence of heavy metal ions. J. Chem. Technol. Metal. 2020. Vol. 55 (5). P. 1047—1056.</mixed-citation></citation-alternatives></ref><ref id="cit7"><label>7</label><citation-alternatives><mixed-citation xml:lang="ru">Tarasenko Y.A., Lapko V.F., Kopyl S.A., Kuts’ V.S., Gerasimyuk I.P. Reductive sorption of tetrachloroaurate ions at active carbons. Russ. J. Phys. Chem. 2003. Vol. 77(9). P. 1477—1481.</mixed-citation><mixed-citation xml:lang="en">Tarasenko Y.A., Lapko V.F., Kopyl S.A., Kuts’ V.S., Gerasimyuk I.P. Reductive sorption of tetrachloroaurate ions at active carbons. Russ. J. Phys. Chem. 2003. Vol. 77(9). P. 1477—1481.</mixed-citation></citation-alternatives></ref><ref id="cit8"><label>8</label><citation-alternatives><mixed-citation xml:lang="ru">Ratajczak P., Suss M.E., Kaasik F., Beguin F. Carbon electrodes for capacitive technologies. Energy Storage Mater. 2019. Vol. 16. P. 126—145. DOI: 10.1016/j.ensm.2018.04.031.</mixed-citation><mixed-citation xml:lang="en">Ratajczak P., Suss M.E., Kaasik F., Beguin F. Carbon electrodes for capacitive technologies. Energy Storage Mater. 2019. Vol. 16. P. 126—145. DOI: 10.1016/j.ensm.2018.04.031.</mixed-citation></citation-alternatives></ref><ref id="cit9"><label>9</label><citation-alternatives><mixed-citation xml:lang="ru">Humplik T., O’Hern S.C., Fellman B.A. Nanostructured materials for water desalination. Nanotechnology. 2011. Vol. 22(29). P. 292001.</mixed-citation><mixed-citation xml:lang="en">Humplik T., O’Hern S.C., Fellman B.A. Nanostructured materials for water desalination. Nanotechnology. 2011. Vol. 22(29). P. 292001.</mixed-citation></citation-alternatives></ref><ref id="cit10"><label>10</label><citation-alternatives><mixed-citation xml:lang="ru">Oren Y. Capacitive deionization (CDI) for desalination and water treatment — past, present and future (A review). Desalination. 2008. Vol. 228. P. 10—29. DOI: 10.1016/j.desal.2007.08.005.</mixed-citation><mixed-citation xml:lang="en">Oren Y. Capacitive deionization (CDI) for desalination and water treatment — past, present and future (A review). Desalination. 2008. Vol. 228. P. 10—29. DOI: 10.1016/j.desal.2007.08.005.</mixed-citation></citation-alternatives></ref><ref id="cit11"><label>11</label><citation-alternatives><mixed-citation xml:lang="ru">Zou L., Morris G., Qi D. Using activated carbon electrode in electrosorptive deionisation of brackish water. Desalination. 2008. Vol. 225(1-3). P. 329—340.</mixed-citation><mixed-citation xml:lang="en">Zou L., Morris G., Qi D. Using activated carbon electrode in electrosorptive deionisation of brackish water. Desalination. 2008. Vol. 225(1-3). P. 329—340.</mixed-citation></citation-alternatives></ref><ref id="cit12"><label>12</label><citation-alternatives><mixed-citation xml:lang="ru">Wang G., Qian B., Dong Q. Highly mesoporous activated carbon electrode for capacitive deionization. Separ. Purif. Technol. 2013. Vol. 103. P. 216—221.</mixed-citation><mixed-citation xml:lang="en">Wang G., Qian B., Dong Q. Highly mesoporous activated carbon electrode for capacitive deionization. Separ. Purif. Technol. 2013. Vol. 103. P. 216—221.</mixed-citation></citation-alternatives></ref><ref id="cit13"><label>13</label><citation-alternatives><mixed-citation xml:lang="ru">Yeh C.-L., Hsi H.-C., Li K.-C., Hou C.-H. Improved performance in capacitive deionization of activated carbon electrodes with a tunable mesopore and micropore ratio. Desalination. 2015. Vol. 367. P. 60—68.</mixed-citation><mixed-citation xml:lang="en">Yeh C.-L., Hsi H.-C., Li K.-C., Hou C.-H. Improved performance in capacitive deionization of activated carbon electrodes with a tunable mesopore and micropore ratio. Desalination. 2015. Vol. 367. P. 60—68.</mixed-citation></citation-alternatives></ref><ref id="cit14"><label>14</label><citation-alternatives><mixed-citation xml:lang="ru">Blair J.W., Murphy G.W. Electrochemical demineralization of water with porous electrodes of large surface area: Saline water conversion. Adv. Chem. 1960. Vol. 27. P. 206—223.</mixed-citation><mixed-citation xml:lang="en">Blair J.W., Murphy G.W. Electrochemical demineralization of water with porous electrodes of large surface area: Saline water conversion. Adv. Chem. 1960. Vol. 27. P. 206—223.</mixed-citation></citation-alternatives></ref><ref id="cit15"><label>15</label><citation-alternatives><mixed-citation xml:lang="ru">Войлошников Г.Г., Чернов В.К. Опыт и перспективы промышленного использования активных углей в схемах извлечения золота. Цветные металлы. 2001. No. 5. С. 15—17. Voiloshnikov G.G., Chernov V.K. Experience and prospects of industrial use of activated carbons in gold recovery schemes. Tsvetnye metally. 2001. No. 5. P. 15—17 (In Russ).</mixed-citation><mixed-citation xml:lang="en">Войлошников Г.Г., Чернов В.К. Опыт и перспективы промышленного использования активных углей в схемах извлечения золота. Цветные металлы. 2001. No. 5. С. 15—17. Voiloshnikov G.G., Chernov V.K. Experience and prospects of industrial use of activated carbons in gold recovery schemes. Tsvetnye metally. 2001. No. 5. P. 15—17 (In Russ).</mixed-citation></citation-alternatives></ref><ref id="cit16"><label>16</label><citation-alternatives><mixed-citation xml:lang="ru">Поконова Ю.В., Грабовский А.И. Углеродный адсорбент для извлечения и концентрирования золота из растворов. Цветные металлы. 2001. No. 11. С. 36—41. Pokonova Yu.V., Grabovsky A.I. Carbon adsorbent for the extraction and concentration of gold from solutions. Tsvetnye metally. 2001. No. 11. P. 36—41 (In Russ.).</mixed-citation><mixed-citation xml:lang="en">Поконова Ю.В., Грабовский А.И. Углеродный адсорбент для извлечения и концентрирования золота из растворов. Цветные металлы. 2001. No. 11. С. 36—41. Pokonova Yu.V., Grabovsky A.I. Carbon adsorbent for the extraction and concentration of gold from solutions. Tsvetnye metally. 2001. No. 11. P. 36—41 (In Russ.).</mixed-citation></citation-alternatives></ref><ref id="cit17"><label>17</label><citation-alternatives><mixed-citation xml:lang="ru">Senanayake G. Gold leaching by copper (II) in ammoniacal thiosulphate solutions in the presence of additives. Pt. I: A review of the effect of hard—soft and Lewis acidbase properties and interactions of ions. Hydrometallurgy. 2012. Vol. 115-116. P. 1—20. DOI: 10.1016/j.hydromet.2011.11.011.</mixed-citation><mixed-citation xml:lang="en">Senanayake G. Gold leaching by copper (II) in ammoniacal thiosulphate solutions in the presence of additives. Pt. I: A review of the effect of hard—soft and Lewis acidbase properties and interactions of ions. Hydrometallurgy. 2012. Vol. 115-116. P. 1—20. DOI: 10.1016/j.hydromet.2011.11.011.</mixed-citation></citation-alternatives></ref><ref id="cit18"><label>18</label><citation-alternatives><mixed-citation xml:lang="ru">Pacławski K., Wojnicki M. Kinetics of the adsorption of gold (III) chloride complex ions onto activated carbon. Arch. Metal. Mater. 2009. Vol. 54(3). P. 853—860.</mixed-citation><mixed-citation xml:lang="en">Pacławski K., Wojnicki M. Kinetics of the adsorption of gold (III) chloride complex ions onto activated carbon. Arch. Metal. Mater. 2009. Vol. 54(3). P. 853—860.</mixed-citation></citation-alternatives></ref><ref id="cit19"><label>19</label><citation-alternatives><mixed-citation xml:lang="ru">Supiyeva Zh., Avchukir Kh., Taurbekov A., Yeleuov M., Smagulova G., Pavlenko V., Mansurov Z. The investigation of electroreduction of AuCl4— in the case of gold electrosorption using activated carbon. Mater. Today: Proc. 2020. Vol. 25 (1). P. 33—38. DOI: 10.1016/j.matpr. 2019.11.013.</mixed-citation><mixed-citation xml:lang="en">Supiyeva Zh., Avchukir Kh., Taurbekov A., Yeleuov M., Smagulova G., Pavlenko V., Mansurov Z. The investigation of electroreduction of AuCl4— in the case of gold electrosorption using activated carbon. Mater. Today: Proc. 2020. Vol. 25 (1). P. 33—38. DOI: 10.1016/j.matpr. 2019.11.013.</mixed-citation></citation-alternatives></ref><ref id="cit20"><label>20</label><citation-alternatives><mixed-citation xml:lang="ru">Mansurov Z., Supiyeva Zh., Avchukir Kh., Smagulova G. Investigation of gold electrosorption onto gold and carbon electrodes using an electrochemical quartz crystal microbalance. Eur. Chem.-Technol. J. 2019. No. 4. P. 283—289.</mixed-citation><mixed-citation xml:lang="en">Mansurov Z., Supiyeva Zh., Avchukir Kh., Smagulova G. Investigation of gold electrosorption onto gold and carbon electrodes using an electrochemical quartz crystal microbalance. Eur. Chem.-Technol. J. 2019. No. 4. P. 283—289.</mixed-citation></citation-alternatives></ref><ref id="cit21"><label>21</label><citation-alternatives><mixed-citation xml:lang="ru">Бобоев И.Р., Сельницын Р.С., Холиков Т.А., Шарипов Б.К. Технология извлечения золота тиомочевинным выщелачиванием из лежалых отвалов. Известия вузов. Цветная металлургия. 2020. No. 2. С. 4—13. Boboev I.R., Selnitsyn R.S., Kholikov T.A., Sharipov B.K. Technology of gold extraction by thiourea leaching from stale dumps. Izvestija vuzov. Tsvetnaja metallurgija (Izvestija. Non-Ferrous Metallurgy). 2020. No. 2. P. 4—13 (In Russ.).</mixed-citation><mixed-citation xml:lang="en">Бобоев И.Р., Сельницын Р.С., Холиков Т.А., Шарипов Б.К. Технология извлечения золота тиомочевинным выщелачиванием из лежалых отвалов. Известия вузов. Цветная металлургия. 2020. No. 2. С. 4—13. Boboev I.R., Selnitsyn R.S., Kholikov T.A., Sharipov B.K. Technology of gold extraction by thiourea leaching from stale dumps. Izvestija vuzov. Tsvetnaja metallurgija (Izvestija. Non-Ferrous Metallurgy). 2020. No. 2. P. 4—13 (In Russ.).</mixed-citation></citation-alternatives></ref><ref id="cit22"><label>22</label><citation-alternatives><mixed-citation xml:lang="ru">Холмогорова А.С. Сорбционно-спектроскопическое определения палладия (II), платины (IV) и серебра (I) с применением дитиооксамидированного полисилоксана: Дис. … канд. хим. наук. Екатеринбург: Ин-т техн. химии, 2016. Kholmogorova A.S. Sorption-spectroscopic determination of palladium (II), platinum (IV) and silver (I) using dithiooxamidated polysiloxane: Dis. ... Cand. Sci. (Chem.). Ekaterinburg: Institut tekhn. khimii, 2016 (In Russ.).</mixed-citation><mixed-citation xml:lang="en">Холмогорова А.С. Сорбционно-спектроскопическое определения палладия (II), платины (IV) и серебра (I) с применением дитиооксамидированного полисилоксана: Дис. … канд. хим. наук. Екатеринбург: Ин-т техн. химии, 2016. Kholmogorova A.S. Sorption-spectroscopic determination of palladium (II), platinum (IV) and silver (I) using dithiooxamidated polysiloxane: Dis. ... Cand. Sci. (Chem.). Ekaterinburg: Institut tekhn. khimii, 2016 (In Russ.).</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>
