<?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>S0187-893X2024000400023</article-id>
<article-id pub-id-type="doi">10.22201/fq.18708404e.2024.4.87493</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Detección de pigmentos en aceites con un espectrofotómetro de bajo costo: propuesta de un proyecto para la introducción a la espectrometría]]></article-title>
<article-title xml:lang="en"><![CDATA[Detection of pigments in oils with a low-cost spectrophotometer: Proposal for a project for the introduction to spectrometry]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Toque-Huaman]]></surname>
<given-names><![CDATA[Evelyn]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gonzales-Balladares]]></surname>
<given-names><![CDATA[Julio David]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Peruana de Ciencias Aplicadas  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Peru</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Ingeniería y Tecnologia  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Peru</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2024</year>
</pub-date>
<volume>35</volume>
<numero>4</numero>
<fpage>23</fpage>
<lpage>35</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0187-893X2024000400023&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0187-893X2024000400023&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0187-893X2024000400023&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Con el fin de enseñar a los estudiantes universitarios los conceptos básicos sobre la espectrometría de manera práctica, se proponen tres actividades para el seguimiento de un proyecto interdisciplinario mediante el aprendizaje basado en proyectos como metodología educativa debido al alto costo de los espectrofotómetros de laboratorio. Con este objetivo se utiliza el reconocido CD-espectrofotómetro para visualizar los espectros de absorción, e identificar los pigmentos de clorofilas, y carotenoides en tres aceites comerciales, Plukenetia volubilis (sacha inchi), oliva, y soya. Posteriormente, con la ley de Beer-Lambert se evalúa la relación entre las absorbancias de distintas concentraciones de astaxantina en aceite de sacha inchi. Para finalmente evaluar la satisfacción de los estudiantes a esta propuesta de proyecto interdisciplinario con esta metodología.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract To teach university students the basic concepts of spectrometry in a practical way, three activities are proposed to follow up an interdisciplinary project using project-based learning as an educational methodology due to the high cost of laboratory spectrophotometers. With this objective, the renowned CD-spectrophotometer is used to visualize the absorption spectra and identify the chlorophyll and carotenoid pigments in three commercial oils, Plukenetia volubilis (sacha inchi), olive, and soybean. Subsequently, the relationship between the absorbances of different concentrations of astaxanthin in sacha inchi oil was evaluated using the Beer-Lambert law. Finally evaluate the students&#8217; satisfaction to this interdisciplinary project proposal with this methodology.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[educación interdisciplinaria]]></kwd>
<kwd lng="es"><![CDATA[enseñanza de química analítica]]></kwd>
<kwd lng="es"><![CDATA[espectrofotómetro]]></kwd>
<kwd lng="es"><![CDATA[ABP]]></kwd>
<kwd lng="es"><![CDATA[pigmentos del aceite.]]></kwd>
<kwd lng="en"><![CDATA[interdisciplinary education]]></kwd>
<kwd lng="en"><![CDATA[teaching, analytical chemistry]]></kwd>
<kwd lng="en"><![CDATA[PBL]]></kwd>
<kwd lng="en"><![CDATA[spectrophotometer]]></kwd>
<kwd lng="en"><![CDATA[oil pigments.]]></kwd>
</kwd-group>
</article-meta>
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