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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">zldm</journal-id><journal-title-group><journal-title xml:lang="ru">Заводская лаборатория. Диагностика материалов</journal-title><trans-title-group xml:lang="en"><trans-title>Industrial laboratory. Diagnostics of materials</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1028-6861</issn><issn pub-type="epub">2588-0187</issn><publisher><publisher-name>ООО «Издательство «ТЕСТ-ЗЛ»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.26896/1028-6861-2021-87-4-21-25</article-id><article-id custom-type="elpub" pub-id-type="custom">zldm-1400</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>АНАЛИЗ ВЕЩЕСТВА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>SUBSTANCES ANALYSIS</subject></subj-group></article-categories><title-group><article-title>Определение остаточного диметиламинопропиламина в аминопропиламидах жирных кислот методом высокоэффективной жидкостной хроматографии</article-title><trans-title-group xml:lang="en"><trans-title>Determination of residual dimethylaminopropylamine in aminopropylamides of fatty acid using high-performance liquid chromatography</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>Красников</surname><given-names>Д. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Krasnikov</surname><given-names>D. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Денис Александрович Красников</p><p>347366, Ростовская обл., г. Волгодонск, ул. Химиков, д. 62</p></bio><bio xml:lang="en"><p>Denis A. Krasnikov</p><p>62 Khimikov ul., Volgodonsk, Rostov obll., 347366</p></bio><email xlink:type="simple">krasnikov@niipav.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>Демчак</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Demchak</surname><given-names>I. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Иван Валериевич Демчак</p><p>347366, Ростовская обл., г. Волгодонск, ул. Химиков, д. 62</p></bio><bio xml:lang="en"><p>Ivan V. Demchak</p><p>62 Khimikov ul., Volgodonsk, Rostov obll., 347366</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Худолеева</surname><given-names>Е. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Khudoleeva</surname><given-names>E. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Елена Степановна Худолеева</p><p>347366, Ростовская обл., г. Волгодонск, ул. Химиков, д. 62</p></bio><bio xml:lang="en"><p>Elena S. Khudoleeva</p><p>62 Khimikov ul., Volgodonsk, Rostov obll., 347366</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>НПО «НИИПАВ»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Scientific Manufacturing Enterprise «ENPAV»</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>23</day><month>04</month><year>2021</year></pub-date><volume>87</volume><issue>4</issue><fpage>21</fpage><lpage>25</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Красников Д.А., Демчак И.В., Худолеева Е.С., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Красников Д.А., Демчак И.В., Худолеева Е.С.</copyright-holder><copyright-holder xml:lang="en">Krasnikov D.A., Demchak I.V., Khudoleeva E.S.</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.zldm.ru/jour/article/view/1400">https://www.zldm.ru/jour/article/view/1400</self-uri><abstract><p>Разработана методика определения остаточного N,N-диметил-1,3-пропандиамина (ДМАПА) при проведении синтеза N,N-диметиламинопропиламидов жирных кислот (ДМАПАЖК) из кокосового масла методом высокоэффективной жидкостной хроматографии с использованием хроматографа Shimadzu LC-20 Prominence с диодно-матричным детектором и обращенно-фазовой колонкой GL Sciences Inertsil ODS-3. Для повышения отклика аналита проводили предколоночную дериватизацию 13 %-ным раствором дансилхлорида в ацетоне. Выбранный состав подвижной фазы — ацетонитрил и триэтиламинфосфатный буферный раствор (pH 3,0) в объемном соотношении 2:3 — и оптимизированные условия хроматографирования обеспечили получение четкого пика ДМАПА со временем удерживания 8,7 – 8,9 мин. Предложенная методика позволяет определять от 0,02 до 10 % ДМАПА в образцах ДМАПАЖК, ее правильность была подтверждена методом «введено – найдено». Полученные результаты могут быть применены для оценки степени конверсии исходных веществ при синтезе N,N-диметиламинопропиламидов жирных кислот, а также для прогноза содержания N,N-диметил-1,3-пропандиамина в продуктах на их основе.</p></abstract><trans-abstract xml:lang="en"><p>A procedure for determination of the residual content of N,N-dimethyl-1,3-propanediamine (DMAPA) during synthesis of N,N-dimethylaminopropylamides of fatty acids (DMAPA FA) from coconut oil has been developed. The analysis was performed using high performance liquid chromatography on a Shimadzu LC-20 Prominence device equipped with a diode array detector and reversed phase column GL Sciences Inertsil ODS-3. Precolumn derivatization was carried out with a 13% — dansyl chloride (5-(dimethylamino)naphthalene-1-sulfonyl chloride) solution in acetone to increase the analyte response. The selected composition of the mobile phase — acetonitrile and triethylamine phosphate buffer solution (pH 3.0) in a volume ratio of 2:3 and optimized chromatographic conditions provided a clear peak of DMAPA with a retention time of 8.7 – 8.9 min. The proposed method provides determination of 0.02 – 10% DMAPA in DMAPAFA samples. Correctness of the procedure was confirmed in spike tests. The results obtained can be used for assessing the degree of conversion of starting materials in the synthesis of N,N-dimethylaminopropylamides of fatty acids, as well as for forecasting the content of N,N-dimethyl-1,3-propanediamine in the products on their base.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>N</kwd><kwd>N-диметил-1</kwd><kwd>3-пропандиамин</kwd><kwd>N</kwd><kwd>N-диметиламинопропиламиды</kwd><kwd>дансилхлорид</kwd><kwd>высокоэффективная жидкостная хроматография</kwd></kwd-group><kwd-group xml:lang="en"><kwd>N</kwd><kwd>N-dimethyl-1</kwd><kwd>3-propandiamine</kwd><kwd>N</kwd><kwd>N-dimethylaminopropylamides</kwd><kwd>dansyl chloride</kwd><kwd>high performance liquid chromatography</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">Foti C., Bonamonte D., Mascolo G., et al. 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