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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">10.26896/1028-6861-2023-89-7-8-13</article-id><article-id custom-type="elpub" pub-id-type="custom">zldm-1970</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>Вариативный микрофлюидный кран-дозатор для газовой хроматографии</article-title><trans-title-group xml:lang="en"><trans-title>Variable microfluidic dosing valve for gas 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>Платонов</surname><given-names>И. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Platonov</surname><given-names>I. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Игорь Артемьевич Платонов</p><p>443086, г. Самара, Московское шоссе, д. 34</p></bio><bio xml:lang="en"><p>Igor A. Platonov</p><p>34, Moskovskoye shosse, Samara, 443086</p></bio><email xlink:type="simple">pia@ssau.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>Платонов</surname><given-names>В. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Platonov</surname><given-names>V. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Владимир Игоревич Платонов</p><p>443086, г. Самара, Московское шоссе, д. 34</p></bio><bio xml:lang="en"><p>Vladimir I. Platonov</p><p>34, Moskovskoye shosse, Samara, 443086</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>Балашова</surname><given-names>А. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Balashova</surname><given-names>A. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Анастасия Ивановна Балашова</p><p>443086, г. Самара, Московское шоссе, д. 34</p></bio><bio xml:lang="en"><p>Anastasia I. Balashova</p><p>34, Moskovskoye shosse, Samara, 443086</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>Колесниченко</surname><given-names>И. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Kolesnichenko</surname><given-names>I. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ирина Николаевна Колесниченко</p><p>443086, г. Самара, Московское шоссе, д. 34</p></bio><bio xml:lang="en"><p>Irina N. Kolesnichenko</p><p>34, Moskovskoye shosse, Samara, 443086</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>Муханова</surname><given-names>И. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Mukhanova</surname><given-names>I. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ирина Михайловна Муханова</p><p>443086, г. Самара, Московское шоссе, д. 34</p></bio><bio xml:lang="en"><p>Irina M. Mukhanova</p><p>34, Moskovskoye shosse, Samara, 443086</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>Афонин</surname><given-names>Н. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Aphonin</surname><given-names>N. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Никита Александрович Афонин</p><p>443086, г. Самара, Московское шоссе, д. 34</p></bio><bio xml:lang="en"><p>Nikita A. Aphonin</p><p>34, Moskovskoye shosse, Samara, 443086</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Самарский национальный исследовательский университет имени академика С. П. Королева</institution><country>Россия</country></aff><aff xml:lang="en"><institution>S. P. Korolev Samara National Research University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>25</day><month>07</month><year>2023</year></pub-date><volume>89</volume><issue>7</issue><fpage>8</fpage><lpage>13</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Платонов И.А., Платонов В.И., Балашова А.И., Колесниченко И.Н., Муханова И.М., Афонин Н.А., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Платонов И.А., Платонов В.И., Балашова А.И., Колесниченко И.Н., Муханова И.М., Афонин Н.А.</copyright-holder><copyright-holder xml:lang="en">Platonov I.A., Platonov V.I., Balashova A.I., Kolesnichenko I.N., Mukhanova I.M., Aphonin N.A.</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/1970">https://www.zldm.ru/jour/article/view/1970</self-uri><abstract><p>Миниатюризация с внедрением в аппаратурную часть хроматографа микрофлюидных систем и устройств является одним из основных подходов при создании современной газохроматографической аппаратуры. Для вариативного дозирования пробы в автоматическом режиме на основе микроэлектромеханических систем был разработан микрофлюидный кран-дозатор, который позволяет проводить многоточечную калибровку при применении одной поверочной газовой смеси. С применением изготовленного дозирующего устройства были реализованы два способа построения градуировочной зависимости: первый – в качестве постоянной дозирующей петли использовали калиброванную петлю на 250 мкл и газовые смеси пропана в гелии (ГСО 10463–2014) с концентрациями 0,0025, 0,025, 0,25, 0,5 и 1,25 % об. в качестве образцов сравнения; второй – вариативное дозирование, которое обеспечивает микрофлюидный кран-дозатор – ввод в хроматографическую колонку разного количества поверочной газовой смеси пропана в гелии (2,5 % об.) за счет изменения времени ввода пробы с постоянным давлением. Эксперимент проводили с использованием газового микрохроматографа «ПИА» с МЭМС-колонкой (плоскость сечения 1 × 1 мм, длина канала 1 м) с адсорбентом Carbopak B. Установлено, что использование разработанного дозирующего устройства в составе газового микрохроматографа «ПИА» позволяет проводить метрологически обеспеченный количественный анализ.</p></abstract><trans-abstract xml:lang="en"><p>Miniaturization coupled with the introduction of microfluidic systems and devices into the chromatograph hardware is one of the main approaches to the creation of modern gas chromatographic equipment. For variable sample dosing in automatic mode, a microfluidic dosing valve based on microelectromechanical systems was developed. The manufactured device provides multi-point calibration with a single calibration gas mixture. Two methods for constructing a calibration dependence were implemented using the developed dosing device: a calibrated loop for 250 μl taken as a constant dosing loop and calibration solutions (gas mixtures of propane in helium (GSO 10463–2014) with concentrations of 0.0025, 0.025, 0.25, 0.5б and 1.25 % vol.) were used in the first method, whereas in the second one a variable dosing provided by the developed microfluidic dosing valve which consisted in the possibility of introducing a different amount of the calibration gas mixture of propane in helium (2.5 % vol.) into the chromatographic column due to changing the time of sample injection at a constant pressure was implemented. The experiment was carried out on a PIA gas microchromatograph with a MEMS column (a sectional plane of 1 × 1 mm and a 1-m channel) with a Carbopak B adsorbent. It is shown that the use of the developed dosing device as part of the PIA gas microchromatograph makes it possible to carry out a metrologically assured quantitative analysis.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>микрофлюидный кран-дозатор</kwd><kwd>газовая хроматография</kwd><kwd>вариативное дозирование</kwd><kwd>калибровка</kwd></kwd-group><kwd-group xml:lang="en"><kwd>microfluidic dosing valve</kwd><kwd>gas chromatography</kwd><kwd>variable dosing</kwd><kwd>calibration</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">Pemble C. M., Towe B. C. A miniature shape memory alloy pinch valve / Sens. Actuators, A. 1999. Vol. 77. N 2. P. 145 – 148. DOI: 10.1016/S0924-4247(99)00157-0</mixed-citation><mixed-citation xml:lang="en">Pemble C. M., Towe B. C. A miniature shape memory alloy pinch valve / Sens. Actuators, A. 1999. Vol. 77. N 2. P. 145 – 148. 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