<?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>S0187-893X2022000400014</article-id>
<article-id pub-id-type="doi">10.22201/fq.18708404e.2022.4.0.82198</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Un equipo de electroanálisis base Arduino y su uso en laboratorios de bajo costo]]></article-title>
<article-title xml:lang="en"><![CDATA[An Arduino based electroanalysis kit and its use in low cost laboratories]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramos Mejía]]></surname>
<given-names><![CDATA[Aurora]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández-Martínez]]></surname>
<given-names><![CDATA[Alfredo de Jesús]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional Autónoma de México Facultad de Química ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2022</year>
</pub-date>
<volume>33</volume>
<numero>4</numero>
<fpage>14</fpage>
<lpage>26</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0187-893X2022000400014&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0187-893X2022000400014&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0187-893X2022000400014&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Se comunica el desarrollo y validación de un equipo electroquímico base Arduino de bajo costo, y se presenta un ejemplo de aplicación en el aula con resultados para la investigación de lápices de grafito usados como electrodos en la reducción del protón en medio ácido acético. Con este equipo se pueden realizar potenciometrías, voltamperometrías y cronoamperometrías, por lo que funciona como potenciómetro y potenciostato. Por su diseño de bloques de circuitos eléctricos, y con el apoyo del uso de simulaciones y breves asesorías, los equipos pueden ser construidos por estudiantes que no han recibido un entrenamiento formal en electrónica.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The development and validation of a low-cost Arduino-based electrochemical kit is reported, and an example of application in the classroom is presented with results for the investigation of graphite pencils used as electrodes in the reduction of the proton in acetic acid medium. Potentiometry, voltammetry, and chronoamperometry can be performed, so it works as potentiometer and potentiostat. Due to its design of electrical circuit blocks, and with the support of the use of simulations and short tutorials, the kits can be built by students who have not received formal training in electronics.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Arduino]]></kwd>
<kwd lng="es"><![CDATA[potenciómetro-potenciostato de bajo costo]]></kwd>
<kwd lng="es"><![CDATA[lápices de grafito]]></kwd>
<kwd lng="es"><![CDATA[reducción de protón]]></kwd>
<kwd lng="en"><![CDATA[Arduino]]></kwd>
<kwd lng="en"><![CDATA[low cost potentiometer-potentiostat]]></kwd>
<kwd lng="en"><![CDATA[graphite pencils]]></kwd>
<kwd lng="en"><![CDATA[proton reduction]]></kwd>
</kwd-group>
</article-meta>
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<article-title xml:lang=""><![CDATA[Open-source electronics as a technological aid in chemical education]]></article-title>
<source><![CDATA[Journal of Chemical Education]]></source>
<year>2014</year>
<volume>91</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>751-2</page-range></nlm-citation>
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</back>
</article>
