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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">10.29235/1561-8331-2025-61-3-246-253</article-id><article-id custom-type="elpub" pub-id-type="custom">vestich-970</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>ТЕХНИЧЕСКАЯ ХИМИЯ И ХИМИЧЕСКАЯ ТЕХНОЛОГИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>TECHNICAL CHEMISTRY AND CHEMICAL ENGINEERING</subject></subj-group></article-categories><title-group><article-title>Трансформация соединений меди в условиях получения сложных удобрений</article-title><trans-title-group xml:lang="en"><trans-title>Transformation of copper compounds in the conditions of obtaining complex fertilizers</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0232-0185</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Рамазонова</surname><given-names>Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Ramazanova</surname><given-names>D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Рамазонова Дилбар Илёс кизи – студент</p><p>ул. Тинчлик, 1, 121000, Янгиер, Сирдаря</p></bio><bio xml:lang="en"><p>Ramazonova Dilbar – Student</p><p>1, Tinchlik Str., 121000, Yangiyer, Sirdarya</p></bio><email xlink:type="simple">dinarmazanova126@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0000-2326-3020</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Тураев</surname><given-names>З.</given-names></name><name name-style="western" xml:lang="en"><surname>Turaev</surname><given-names>Z.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Тураев Зокиржон – профессор</p><p>ул. И. Каримова, 12, 160103, Наманган</p></bio><bio xml:lang="en"><p>Turaev Zokirjon – Professor</p><p>12, I. Karimov Str., 160103, Namangan</p></bio><email xlink:type="simple">T-Zokirjon@umail.uz</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0009-7417-9465</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шамишова</surname><given-names>A.</given-names></name><name name-style="western" xml:lang="en"><surname>Shamishova</surname><given-names>A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Шамишова Айшолпан Тажетдиновна – ассистент</p><p>ул. Янгиабад, 12, 191200, Сурхандарьейская область, Термез</p></bio><bio xml:lang="en"><p>Shamishova Aisholpan – Assistant</p><p>12, Yangiabad Str., 191200, Surkhandarya region, Termez</p></bio><email xlink:type="simple">a.shamishova@inbox.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6320-8250</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Абсатторов</surname><given-names>Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Absattorov</surname><given-names>D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Абсатторов Диёрбек Сохижон угли – студент</p><p>ул. Тинчлик, 1, 121000, Янгиер, Сирдаря</p></bio><bio xml:lang="en"><p>Absattorov Diyorbek – Student</p><p>1, Tinchlik Str., 121000, Yangiyer, Sirdarya</p></bio><email xlink:type="simple">absattorov111@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4711-8183</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Усманов</surname><given-names>И.</given-names></name><name name-style="western" xml:lang="en"><surname>Usmanov</surname><given-names>I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Усманов Илхам Икрамович – доктор технических наук, профессор, профессор кафедры</p><p>ул. Тинчлик, 1, 121000, Янгиер, Сирдаря</p></bio><bio xml:lang="en"><p>Usmanov Ilkham – D. Sc. (Technical), Professor, Professor of the Department</p><p>1, Tinchlik Str., 121000, Yangiyer, Sirdarya</p></bio><email xlink:type="simple">ilkham_usmanov@inbox.ru</email><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4467-291X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Samadiy@inbox.ru</surname><given-names>М.</given-names></name><name name-style="western" xml:lang="en"><surname>Samadiy</surname><given-names>M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Самадий Муроджон Абдусалимзода – кандидат технических наук, доцент, заместитель директора </p><p>ул. Тинчлик, 1, 121000, Янгиер, Сирдаря</p></bio><bio xml:lang="en"><p>Samadiy Murodjon – Ph. D. (Technical), Associate Professor, Deputy Director</p><p>1, Tinchlik Str., 121000, Yangiyer, Sirdarya</p></bio><xref ref-type="aff" rid="aff-4"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Янгиерский филиал Ташкентского химико-технологического института</institution></aff><aff xml:lang="en"><institution>Yangier branch of Tashkent Institute of Chemical Technology</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Наманганский инженерно-строительный институт</institution></aff><aff xml:lang="en"><institution>Namangan Institute of Civil Engineering</institution></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Термезский институт агротехнологий и инновационного развития</institution></aff><aff xml:lang="en"><institution>Termez Institute of Agricultural Technologies and Innovative Development</institution></aff></aff-alternatives><aff xml:lang="ru" id="aff-4"><institution>Янгиерский филиал Ташкентского химико-технологического института</institution><country>Uzbekistan</country></aff><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>29</day><month>08</month><year>2025</year></pub-date><volume>61</volume><issue>3</issue><fpage>246</fpage><lpage>253</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Рамазонова Д., Тураев З., Шамишова A., Абсатторов Д., Усманов И., samadiy@inbox.ru М., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Рамазонова Д., Тураев З., Шамишова A., Абсатторов Д., Усманов И., samadiy@inbox.ru М.</copyright-holder><copyright-holder xml:lang="en">Ramazanova D., Turaev Z., Shamishova A., Absattorov D., Usmanov I., Samadiy M.</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/970">https://vestichem.belnauka.by/jour/article/view/970</self-uri><abstract><p>Приведены результаты исследований по изучению поведения микроэлемента меди в условиях производства сложных азотно-фосфорных удобрений – аммофоса и нитроаммофоса. Показано, что при введении оксида и сульфата меди в растворы фосфорной и смеси азотной и фосфорной кислот медь находится в виде дигидрофосфата. В интервале рН 1,6–2 в осадок выпадает гидрофосфат меди, а при рН выше 6 образуется медьаммонийфосфат. При аммонизации смеси азотной и фосфорной кислот, содержащей медь, гидрофосфат меди образуется в интервале рН 1,2–4,1, а при рН выше 5,2 в осадок выпадает медьаммонийфосфат. В условиях получения медьсодержащего аммофоса медь находится в виде смеси гидрофосфата и медьаммонийфосфата, в условиях получения нитроаммофоса – в виде гидрофосфата с высоким содержанием медьаммонийфосфата. И в аммофосе и в нитроаммофосе медь находится в усвояемой растениями форме, что указывает на возможность введения микроэлемента меди на различных стадиях получения сложных фосфорсодержащих удобрений.</p></abstract><trans-abstract xml:lang="en"><p>The results of studies on the behavior of the copper trace element in the production of complex nitrogen-phosphorus fertilizers – ammophos and nitroammophos are presented. It is shown that, when copper oxide and sulfate are introduced into solutions of phosphoric and mixtures of nitric and phosphoric acids, copper appears in the form of dihydrophosphate. Copper hydrophosphate precipitates in the ph range of 1.6–2, and at a ph above 6 copper ammonium phosphate is formed. During ammonization of a mixture of nitric and phosphoric acids containing copper, copper hydrophosphate is formed in the ph range of 1.2–4.1, and at a ph above 5.2, copper ammonium phosphate precipitates. Under the conditions for obtaining copper-containing ammophos, copper is in the form of a mixture of hydrophosphate and copper ammonium phosphate. Under the conditions for obtaining nitroammophos, copper is mainly in the form of hydrophosphate with a lethal content of copper ammonium phosphate. Both in ammophos and in nitroammophos, copper is in a form assimilated by plants, which indicates the possibility of introducing the microelement copper at various stages of obtaining complex phosphorus-containing fertilizers.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>фосфорная кислота</kwd><kwd>азотная кислота</kwd><kwd>аммиак</kwd><kwd>дигидрофосфат</kwd><kwd>гидрофосфат меди</kwd><kwd>медьаммонийфосфат</kwd></kwd-group><kwd-group xml:lang="en"><kwd>phosphoric acid</kwd><kwd>nitric acid</kwd><kwd>ammonia</kwd><kwd>dihydrophosphate</kwd><kwd>copper hydrophosphate</kwd><kwd>copper ammonium phosphate</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">G’afurov, Q. Mineral o’g’itlar va tuzlar texnologiyasi / Q. G’afurov, I. Shamshidinov. – Toshkent: Fan va texnologiya, 2007. – 352 p.</mixed-citation><mixed-citation xml:lang="en">Gafurov Q., Shamshidinov I. 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