<?xml version="1.0" encoding="ISO-8859-1"?><article 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">
<front>
<journal-meta>
<journal-id>0187-893X</journal-id>
<journal-title><![CDATA[Educación química]]></journal-title>
<abbrev-journal-title><![CDATA[Educ. quím]]></abbrev-journal-title>
<issn>0187-893X</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México, Facultad de Química]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0187-893X2023000100233</article-id>
<article-id pub-id-type="doi">10.22201/fq.18708404e.2023.1.79230</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Charles Cagniard de Latour]]></article-title>
<article-title xml:lang="es"><![CDATA[Charles Cagniard de Latour]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Wisniak]]></surname>
<given-names><![CDATA[Jaime]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Ben-Gurion University of the Negev  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2023</year>
</pub-date>
<volume>34</volume>
<numero>1</numero>
<fpage>233</fpage>
<lpage>244</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0187-893X2023000100233&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0187-893X2023000100233&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0187-893X2023000100233&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Charles Cagniard de la Tour (1777-1859) was a French physicist and chemist that carried a detailed study of the phase transformation of a saturated liquid under the influence of pressure and temperature and proved that inside a sealed glass tube the fluid would become first a saturated vapor, and then turn continuously into superheated vapor, no matter what the pressure. He discovered the existence of a critical point, without using this concept. Cagniard de la Tour used a microscope to investigate the phenomenon of fermentation, particularly by beer yeast, its causes, and effects, and proved that it was caused by a living organism and was not a pure chemical reaction. He also studied the pyrolysis of woody matter in a sealed atmosphere and showed that it resulted in the formation of tarry and sticky carbonaceous material, accompanied by a gas atmosphere.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Charles Cagniard de la Tour (1777-1859) fue un físico y químico francés que realizó un estudio detallado de la transformación de fase de un líquido saturado bajo la influencia de la presión y la temperatura y demostró que dentro de un tubo de vidrio sellado el fluido se convertía primero en un vapor saturado, y luego continuamente en vapor sobrecalentado, sin importar la presión. Descubrió el fenómeno del punto crítico, sin usar este término. Cagniard de la Tour usó un microscopio para investigar el fenómeno de la fermentación, particularmente por la levadura de cerveza, sus causas y efectos, y demostró que era causado por un organismo vivo y no era una reacción química pura. También estudió la pirolisis de materia leñosa en una atmósfera sellada y demostró que resultaba en la formación de material carbonoso alquitranado y pegajoso, acompañado de una atmósfera de gas.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Tar]]></kwd>
<kwd lng="en"><![CDATA[fermentation]]></kwd>
<kwd lng="en"><![CDATA[wood pyrolysis]]></kwd>
<kwd lng="en"><![CDATA[critical point]]></kwd>
<kwd lng="es"><![CDATA[Alquitrán]]></kwd>
<kwd lng="es"><![CDATA[fermentación]]></kwd>
<kwd lng="es"><![CDATA[pirolisis de la madera]]></kwd>
<kwd lng="es"><![CDATA[punto crítico]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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