<?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>S0187-893X2025000100209</article-id>
<article-id pub-id-type="doi">10.22201/fq.18708404e.2025.1.84882</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Léon Péan de Saint-Gilles]]></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[Beer-Sheva ]]></addr-line>
<country>Israel</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2025</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2025</year>
</pub-date>
<volume>36</volume>
<numero>1</numero>
<fpage>209</fpage>
<lpage>220</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0187-893X2025000100209&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0187-893X2025000100209&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0187-893X2025000100209&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Léon Péan de Saint-Gilles (1832-1863) was a French chemist, without a formal education, who studied the allotropy of sulfur and the properties and reactions of the different species, the oxidizing properties of potassium permanganate, the oxidation of copper under the simultaneous influence of air and ammonia, and the action of cyanogen on acetaldehyde. With Marcellin Berthelot they determined the basic rules of the esterification of an acid by an alcohol in its many routes.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Léon Péan de Saint-Gilles (1832-1863) fue un químico francés, autodidacta, que estudió la alotropía del azufre y las propiedades y reacciones de las diferentes especies, las propiedades oxidantes del permanganato de potasio, la oxidación del cobre bajo la influencia simultánea del aire y el amoníaco, y la acción del cianógeno sobre el acetaldehído. Con Marcellin Berthelot determinaron las reglas básicas de la esterificación de un ácido por un alcohol en sus múltiples vías.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[affinity]]></kwd>
<kwd lng="en"><![CDATA[allotropy]]></kwd>
<kwd lng="en"><![CDATA[ammonia]]></kwd>
<kwd lng="en"><![CDATA[cyanogen]]></kwd>
<kwd lng="en"><![CDATA[esterification]]></kwd>
<kwd lng="en"><![CDATA[oxidation]]></kwd>
<kwd lng="en"><![CDATA[potassium permanganate]]></kwd>
<kwd lng="en"><![CDATA[sulfur]]></kwd>
<kwd lng="es"><![CDATA[afinidad]]></kwd>
<kwd lng="es"><![CDATA[alotropía]]></kwd>
<kwd lng="es"><![CDATA[amoníaco]]></kwd>
<kwd lng="es"><![CDATA[azufre]]></kwd>
<kwd lng="es"><![CDATA[cianógeno]]></kwd>
<kwd lng="es"><![CDATA[esterificación]]></kwd>
<kwd lng="es"><![CDATA[oxidación]]></kwd>
<kwd lng="es"><![CDATA[permanganato de potasio]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
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<article-title xml:lang=""><![CDATA[Mémoire sur plusieurs sulfites nouveaux à bases d&#8217;oxydes mercurique et cuivreux]]></article-title>
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</person-group>
<article-title xml:lang=""><![CDATA[Action de la chaleur sur les acétates de fer]]></article-title>
<source><![CDATA[Comptes Rendus]]></source>
<year>1855</year>
<volume>40</volume>
<page-range>568-70</page-range></nlm-citation>
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<person-group person-group-type="author">
<name>
<surname><![CDATA[Péan Saint-Gilles]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Action de la chaleur sur l&#8217;hydrate et sur l&#8217;acétate ferriques]]></article-title>
<source><![CDATA[Comptes Rendus]]></source>
<year>1855</year>
<volume>40</volume>
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<person-group person-group-type="author">
<name>
<surname><![CDATA[Péan Saint-Gilles]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Recherches sur le sesquioxyde de fer modifié par la chaleur]]></article-title>
<source><![CDATA[Annales de Chimie et Physique]]></source>
<year>1856</year>
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<ref id="B20">
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<person-group person-group-type="author">
<name>
<surname><![CDATA[Péan Saint-Gilles]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Action comparée de l&#8217;acide nitrique sur le soufre insoluble et sur le soufre cristallisable]]></article-title>
<source><![CDATA[Annales de Chimie et Physique]]></source>
<year>1858</year>
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<issue>3</issue>
<page-range>49-52</page-range></nlm-citation>
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<ref id="B21">
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<person-group person-group-type="author">
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<surname><![CDATA[Péan Saint-Gilles]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Sur une réaction du soufre amorphe]]></article-title>
<source><![CDATA[Comptes Rendus]]></source>
<year>1858</year>
<volume>46</volume>
<page-range>550-71</page-range></nlm-citation>
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</name>
</person-group>
<article-title xml:lang=""><![CDATA[Recherches sur les propriétés oxydantes du permanganate de potasse; dosage de plusieurs acides minéraux; oxydation de l&#8217;acide citrique]]></article-title>
<source><![CDATA[Comptes Rendus]]></source>
<year>1858</year>
<volume>46</volume>
<page-range>624-8</page-range></nlm-citation>
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</name>
</person-group>
<article-title xml:lang=""><![CDATA[Recherches sur les propriétés oxydantes du permanganate de potasse; dosage de plusieurs acides minéraux; oxydation de l&#8217;acide citrique]]></article-title>
<source><![CDATA[Annales de Chimie et Physique]]></source>
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<page-range>374-99</page-range></nlm-citation>
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</person-group>
<article-title xml:lang=""><![CDATA[Remarques sur l&#8217;oxydation par l&#8217;iode de divers composés de soufre et d&#8217;arsenic]]></article-title>
<source><![CDATA[Annales de Chimie et Physique]]></source>
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<article-title xml:lang=""><![CDATA[Action comparée du mercure sur le soufre cristallisable et sur le soufre insoluble]]></article-title>
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<year>1859</year>
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<source><![CDATA[Annales de Chimie et Physique]]></source>
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</person-group>
<article-title xml:lang=""><![CDATA[Oxychlorure noire de manganèse]]></article-title>
<source><![CDATA[Comptes Rendus]]></source>
<year>1862</year>
<volume>58</volume>
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</ref-list>
</back>
</article>
