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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">vguit</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник Воронежского государственного университета инженерных технологий</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of the Voronezh State University of Engineering Technologies</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2226-910X</issn><issn pub-type="epub">2310-1202</issn><publisher><publisher-name>VSUET</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.20914/2310-1202-2018-1-228-232</article-id><article-id custom-type="elpub" pub-id-type="custom">vguit-1692</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>Химическая технология</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Fundamental and Applied chemistry, chemical technology</subject></subj-group></article-categories><title-group><article-title>Разработка способа контроля органических примесей при очистке сточных вод</article-title><trans-title-group xml:lang="en"><trans-title>Development of methods for controlling organic impurities in wastewater treatment</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>Мастюкова</surname><given-names>Т. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Mastyukova</surname><given-names>T. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.х.н., доцент, кафедра физической и аналитической химии, пр-т Революции, 19, г. Воронеж, 394036, Россия</p></bio><bio xml:lang="en"><p>Cand. Sci. (Chem.), associate professor, analytical and physical chemistry department, Revolution Av., 19 Voronezh, 394036, Russia</p></bio><email xlink:type="simple">mastukovatv@yandex.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>Кривцова</surname><given-names>А. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Krivtsova</surname><given-names>A. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>студент, кафедра физической и аналитической химии, пр-т Революции, 19, г. Воронеж, 394036, Россия</p></bio><bio xml:lang="en"><p>student, analytical and physical chemistry department, Revolution Av., 19 Voronezh, 394036, Russia</p></bio><email xlink:type="simple">sibiraychka555@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Воронежский государственный университет инженерных технологий</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Voronezh state university of engineering technologies</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2018</year></pub-date><pub-date pub-type="epub"><day>21</day><month>03</month><year>2018</year></pub-date><volume>80</volume><issue>1</issue><fpage>228</fpage><lpage>232</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Мастюкова Т.В., Кривцова А.И., 2018</copyright-statement><copyright-year>2018</copyright-year><copyright-holder xml:lang="ru">Мастюкова Т.В., Кривцова А.И.</copyright-holder><copyright-holder xml:lang="en">Mastyukova T.V., Krivtsova 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://www.vestnik-vsuet.ru/vguit/article/view/1692">https://www.vestnik-vsuet.ru/vguit/article/view/1692</self-uri><abstract><p>Изучена электрическая проводимость водных растворов поверхностно-активных веществ (ПАВ) разной природы в зависимости от концентрации электролитов в растворе, с целью контроля содержания вредных примесей органической природы в минерализованных водах кондуктометрическим методом. Установлено, что с увеличением концентрации ПАВ удельная электрическая проводимость снижалась, однако характер изменения в растворах низкомолекулярных и коллоидных ПАВ различный. В случае низкомолекулярных ПАВ зависимость имеет линейный вид, например, для раствора бутанола при ионной силе хлорида калия 2 моль/м3 по уравнению: y = -0,0604x + 0,5085, а для растворов коллоидных ПАВ – экстремальный, проходящий через минимум. Увеличение ионной силы среды для растворов ПАВ ионогенного (олеата натрия) и неионогенного типа (неонол АФ 9–10), приводит к уменьшению минимума на концентрационной кривой электрической проводимости. Установлено понижение значения критической концентрации мицеллообразования (ККМ) для олеата натрия от 1,1 10-3 моль/дм3, до 0,4?10-3 моль/дм3 при концентрации хлорида калия в растворе 2 моль/м3, и ККМ = 0,1 10-3 моль/дм3 при ионной силе раствора 10 моль/м3. В случае неонола АФ 9–10 (ККМ = 1,24?10-4 моль/дм3) увеличение концентрации электролита, например КCl от 2 до 75 моль/м3 в растворе не смещает точку ККМ во всем диапазоне ионной силы среды. Итак, экстремальный характер зависимости изотерм проводимости растворов коллоидных ПАВ в области низких ионных сил раствора, может послужить аналитическим сигналом для выявления примесей амфифильной природы и возможности прогнозирования общей минерализации воды сложного состава.</p></abstract><trans-abstract xml:lang="en"><p>Electrical conductivity was studied aqueous solutions of surface-active substances (surfactants) different nature depending on the concentration of electrolytes in solution, in order to control the content of harmful impurities of organic nature in mineralized waters conductometric method. It has been established that the specific electric conductivity decreased with increasing surfactant concentration, however, the nature of the changes in solutions of low-molecular and colloidal surfactants is different. In the case of low-molecular surfactants, the dependence has a linear form, for example, for a solution of butanol with an ionic potassium chloride force of 2 mol / m3, according to the equation: y = -0,0604x + 0,5085, and for solutions of colloidal surfactants – extremal, passing through a minimum. An increase in the ionic strength of the medium for solutions of surfactant ionogenic (sodium oleate) and nonionic type (neonol AF 9–10) leads to a decrease in the minimum on the concentration curve of electrical conductivity. A decrease in the value of the critical micelle concentration (CMC) for sodium oleate from 1.1 10-3 mol / dm3, up to 0.4 · 10-3 mol / dm3 at a concentration of potassium chloride in a solution of 2 mol / m3, and CMC = 0, 1 10-3 mol / dm3 at an ionic strength of the solution of 10 mol / m3. In the case of neonol AF 9–10 (CMC = 1.24 ? 10-4 mol / dm3), an increase in the electrolyte concentration, for example KCl from 2 to 75 mol / m3 in the solution, does not shift the CMC point in the entire ionic strength range of the medium. Thus, the extreme character of the dependence of the conductivity isotherms of colloidal surfactants in the region of low ionic strengths of the solution, can serve as an analytical signal for the detection of impurities of the amphiphilic nature and the possibility of predicting the overall mineralization of complex water.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>растворы электролитов</kwd><kwd>электропроводимость</kwd><kwd>кондуктометрия</kwd><kwd>коллоидные ПАВ</kwd><kwd>неионогенные ПАВ</kwd><kwd>ионогенные ПАВ</kwd><kwd>неонол АФ 9-10</kwd><kwd>олеат натрия</kwd><kwd>мицеллы</kwd><kwd>мицеллообразование</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Keywords: colloidal surfactants</kwd><kwd>electrolyte solutions</kwd><kwd>electrical conductivity</kwd><kwd>neonol AF 9–10</kwd><kwd>sodium oleate</kwd><kwd>micelles</kwd><kwd>micellization</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">Jiang J. 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