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 <front>
  <journal-meta>
   <journal-id journal-id-type="publisher-id">From Chemistry Towards Technology Step-By-Step</journal-id>
   <journal-title-group>
    <journal-title xml:lang="en">From Chemistry Towards Technology Step-By-Step</journal-title>
    <trans-title-group xml:lang="ru">
     <trans-title>От химии к технологии шаг за шагом</trans-title>
    </trans-title-group>
   </journal-title-group>
   <issn publication-format="online">2782-1900</issn>
  </journal-meta>
  <article-meta>
   <article-id pub-id-type="publisher-id">81561</article-id>
   <article-id pub-id-type="doi">10.52957/27821900_2023_01_86</article-id>
   <article-categories>
    <subj-group subj-group-type="toc-heading" xml:lang="ru">
     <subject>Научные статьи</subject>
    </subj-group>
    <subj-group subj-group-type="toc-heading" xml:lang="en">
     <subject>Scientific articles</subject>
    </subj-group>
    <subj-group>
     <subject>Научные статьи</subject>
    </subj-group>
   </article-categories>
   <title-group>
    <article-title xml:lang="en">Effect of solvent H/D isotope substitution and temperature on some thermodynamic properties of tetramethylenediethylentetramine (pharmaceutical theotropin) in aqueous solutions</article-title>
    <trans-title-group xml:lang="ru">
     <trans-title>Effect of solvent H/D isotope substitution and temperature on some thermodynamic properties of tetramethylenediethylentetramine (pharmaceutical theotropin) in aqueous solutions</trans-title>
    </trans-title-group>
   </title-group>
   <contrib-group content-type="authors">
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Иванов</surname>
       <given-names>Евгений Викторович</given-names>
      </name>
      <name xml:lang="en">
       <surname>Ivanov</surname>
       <given-names>Evgeny Viktorovich</given-names>
      </name>
     </name-alternatives>
     <email>evi@isc-ras.ru</email>
     <bio xml:lang="ru">
      <p>кандидат химических наук;</p>
     </bio>
     <bio xml:lang="en">
      <p>candidate of chemical sciences;</p>
     </bio>
     <xref ref-type="aff" rid="aff-1"/>
    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Лебедева</surname>
       <given-names>Елена Юрьевна</given-names>
      </name>
      <name xml:lang="en">
       <surname>Lebedeva</surname>
       <given-names>Elena Yurievna</given-names>
      </name>
     </name-alternatives>
     <email>eyl@isc-ras.ru</email>
     <bio xml:lang="ru">
      <p>кандидат химических наук;</p>
     </bio>
     <bio xml:lang="en">
      <p>candidate of chemical sciences;</p>
     </bio>
     <xref ref-type="aff" rid="aff-1"/>
    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Иванова</surname>
       <given-names>Надежда Геннадьевна</given-names>
      </name>
      <name xml:lang="en">
       <surname>Ivanova</surname>
       <given-names>Nadezhda Gennadievna</given-names>
      </name>
     </name-alternatives>
     <email>nadezhda.ing@gmail.com</email>
     <bio xml:lang="ru">
      <p>кандидат химических наук;</p>
     </bio>
     <bio xml:lang="en">
      <p>candidate of chemical sciences;</p>
     </bio>
     <xref ref-type="aff" rid="aff-2"/>
    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Баранов</surname>
       <given-names>Владимир Владимирович</given-names>
      </name>
      <name xml:lang="en">
       <surname>Baranov</surname>
       <given-names>Vladimir Vladimirovich</given-names>
      </name>
     </name-alternatives>
     <bio xml:lang="ru">
      <p>кандидат химических наук;</p>
     </bio>
     <bio xml:lang="en">
      <p>candidate of chemical sciences;</p>
     </bio>
     <xref ref-type="aff" rid="aff-3"/>
    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Кравченко</surname>
       <given-names>Ангелина Николаевна</given-names>
      </name>
      <name xml:lang="en">
       <surname>Kravchenko</surname>
       <given-names>Angelina Nikolaevna</given-names>
      </name>
     </name-alternatives>
     <bio xml:lang="ru">
      <p>доктор химических наук;</p>
     </bio>
     <bio xml:lang="en">
      <p>doctor of chemical sciences;</p>
     </bio>
     <xref ref-type="aff" rid="aff-4"/>
    </contrib>
   </contrib-group>
   <aff-alternatives id="aff-1">
    <aff>
     <institution xml:lang="ru">Институт химии растворов им. Г.А. Крестова Российской академии наук</institution>
    </aff>
    <aff>
     <institution xml:lang="en">Institute of Solution Chemistry of G.A. Krestov of the Russian Academy of Sciences</institution>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-2">
    <aff>
     <institution xml:lang="ru">Ивановский государственный энергетический университет</institution>
    </aff>
    <aff>
     <institution xml:lang="en">Ivanovo Power Engineering Institute</institution>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-3">
    <aff>
     <institution xml:lang="ru">Институт органической химии им. Н.Д. Зелинского Российской академии наук</institution>
     <city>Москва</city>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">N.D. Zelinsky Institute of Organic Chemistry of the Russian Academy of Sciences</institution>
     <city>Moscow</city>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-4">
    <aff>
     <institution xml:lang="ru">Институт органической химии им. Н.Д. Зелинского Российской академии наук</institution>
     <city>Москва</city>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">N.D. Zelinsky Institute of Organic Chemistry of the Russian Academy of Sciences</institution>
     <city>Moscow</city>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <pub-date publication-format="print" date-type="pub" iso-8601-date="2023-03-23T00:00:00+03:00">
    <day>23</day>
    <month>03</month>
    <year>2023</year>
   </pub-date>
   <pub-date publication-format="electronic" date-type="pub" iso-8601-date="2023-03-23T00:00:00+03:00">
    <day>23</day>
    <month>03</month>
    <year>2023</year>
   </pub-date>
   <volume>4</volume>
   <issue>1</issue>
   <fpage>86</fpage>
   <lpage>100</lpage>
   <history>
    <date date-type="received" iso-8601-date="2023-02-13T00:00:00+03:00">
     <day>13</day>
     <month>02</month>
     <year>2023</year>
    </date>
    <date date-type="accepted" iso-8601-date="2023-03-21T00:00:00+03:00">
     <day>21</day>
     <month>03</month>
     <year>2023</year>
    </date>
   </history>
   <self-uri xlink:href="https://chemintech.ru/en/nauka/article/81561/view">https://chemintech.ru/en/nauka/article/81561/view</self-uri>
   <abstract xml:lang="ru">
    <p>The paper considers the measurements of densities the pharmaceutical “teotro-pine” or tetramethylenediethylenetetramine (TMDETA) solutions in heavy water (D2O) with the solute molality from (0.01 to 0.12) mol∙(kg solvent) 1 at T = (278.15, 288.15, 298.15, 308.15, and 318.15) K and ambient pressure (p = 0.1 MPa). The uncertainty in density measured using the Anton Paar DMA 5000 M densimeter (equipped with oscillating U-tube) was 0.03 kg m-3 or lower. We obtain the standard (at infinite dilution) molar volumes and isobaric expansibilities of TMDETA as a solute in D2O, along with the corresponding solvent D2O–H2O isotope effects (IEs). We define the isotope effects using the previously ob-tained data on volumetric properties of the system (H2O + TMDETA). We also find that the insignificant IEs in the standard molar volume of TMDETA increase with increasing temperature. Based on the analysis of contributions to the standard molar volume of TMDETA in terms of the Scaled Particle Theory (SPT) we confirm that a bulkier molecule of this solute interacts with water (especially, in D2O) actively than it does with a molecule of hexamethylenetetramine (HMTA) or pharmaceutical “urotropine” being the related aminal (cage-like) compound. The colloborating discussion of volume- and enthalpy-isotope characteristics of TMDETA (and HMTA) hydration within the scope of SPT led us to the conclusion that the structure matrix of D2O is more efficient for incorporat-ing the bulkier TMDETA molecule into it</p>
   </abstract>
   <trans-abstract xml:lang="en">
    <p>The paper considers the measurements of densities the pharmaceutical “teotro-pine” or tetramethylenediethylenetetramine (TMDETA) solutions in heavy water (D2O) with the solute molality from (0.01 to 0.12) mol∙(kg solvent) 1 at T = (278.15, 288.15, 298.15, 308.15, and 318.15) K and ambient pressure (p = 0.1 MPa). The uncertainty in density measured using the Anton Paar DMA 5000 M densimeter (equipped with oscillating U-tube) was 0.03 kg m-3 or lower. We obtain the standard (at infinite dilution) molar volumes and isobaric expansibilities of TMDETA as a solute in D2O, along with the corresponding solvent D2O–H2O isotope effects (IEs). We define the isotope effects using the previously ob-tained data on volumetric properties of the system (H2O + TMDETA). We also find that the insignificant IEs in the standard molar volume of TMDETA increase with increasing temperature. Based on the analysis of contributions to the standard molar volume of TMDETA in terms of the Scaled Particle Theory (SPT) we confirm that a bulkier molecule of this solute interacts with water (especially, in D2O) actively than it does with a molecule of hexamethylenetetramine (HMTA) or pharmaceutical “urotropine” being the related aminal (cage-like) compound. The colloborating discussion of volume- and enthalpy-isotope characteristics of TMDETA (and HMTA) hydration within the scope of SPT led us to the conclusion that the structure matrix of D2O is more efficient for incorporat-ing the bulkier TMDETA molecule into it</p>
   </trans-abstract>
   <kwd-group xml:lang="en">
    <kwd>teotropine</kwd>
    <kwd>standard volume and expansibility</kwd>
    <kwd>standard enthalpy of dissolution</kwd>
    <kwd>ordinary and heavy water</kwd>
    <kwd>solvent H/D isotope effect</kwd>
   </kwd-group>
  </article-meta>
 </front>
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  <p></p>
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