<?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>2594-1925</journal-id>
<journal-title><![CDATA[Revista de ciencias tecnológicas]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. cienc. tecnol.]]></abbrev-journal-title>
<issn>2594-1925</issn>
<publisher>
<publisher-name><![CDATA[Universidad Autónoma de Baja California]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2594-19252024000100103</article-id>
<article-id pub-id-type="doi">10.37636/recit.v7n1e312</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Síntesis y caracterización de titanato de calcio (CaTiO3) como potencial sensor electroquímico de contaminantes orgánicos en solución acuosa]]></article-title>
<article-title xml:lang="en"><![CDATA[Synthesis and characterization of calcium titanate (CaTiO 3 ) as a potential electrochemical sensor of organic pollutants in aqueous solution]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hinostroza]]></surname>
<given-names><![CDATA[Juan José]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Trujillo Navarrete]]></surname>
<given-names><![CDATA[Balter]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Félix Navarro]]></surname>
<given-names><![CDATA[Rosa María]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Paraguay Delgado]]></surname>
<given-names><![CDATA[Francisco]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez Barrera]]></surname>
<given-names><![CDATA[Jassiel R.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ochoa Terán]]></surname>
<given-names><![CDATA[Adrián]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Tecnológico de Tijuana  ]]></institution>
<addr-line><![CDATA[Tijuana Baja California]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Centro de Investigación en Materiales Avanzados  ]]></institution>
<addr-line><![CDATA[Chihuahua Chihuahua]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Centro de Investigación Científica y de Educación Superior de Ensenada (CISECE)  ]]></institution>
<addr-line><![CDATA[Ensenada Baja California]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2024</year>
</pub-date>
<volume>7</volume>
<numero>1</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2594-19252024000100103&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2594-19252024000100103&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2594-19252024000100103&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen. - Los contaminantes orgánicos son altamente tóxicos y volátiles se acumulan en los tejidos grasos; Debido a su persistencia y movilidad, es posible encontrarlas prácticamente en cualquier parte del planeta, incluso en lugares donde nunca han sido utilizadas. Por esta razón, el monitoreo y la vigilancia en los cuerpos de agua son fundamentales. En la presente investigación, se sintetizaron partículas de titanato de calcio (CaTiO  3 ) utilizando el método de estado sólido. Las partículas se caracterizaron por diversas técnicas fisicoquímicas: difracción de rayos-X (DRX), espectroscopia Raman, microscopía electrónica de barrido (MEB), espectroscopia de dispersión de energía (EDE), espectroscopia de reflectancia difusa (ERD), y electroquímica: voltamperometría cíclica (VC), entre otras. Se encontró a través de DRX y Raman que la estructura cristalina es ortorrómbica con el grupo espacial Pbnm. Las partículas de CaTiO  3 sintetizadas tienen un diámetro promedio de &#8776; 2 µm; Además, el valor obtenido para la brecha de energía (E  g ) fue de 3,41 eV; también presenta un paso de baja energía en un valor de 2.66 eV, que puede corresponder a los estados electrónicos mingap. El electrodo de carbón vítreo modificado con la película de CaTiO  3 mostro una sensibilidad para la determinación de nitrobenceno (NB) en solución acuosa. Por lo tanto, se puede concluir que el desarrollo de partículas de CaTiO  3 es una alternativa viable para ser utilizado como sensor de contaminantes orgánicos en agua.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract. - Organic contaminants are highly toxic and volatile and accumulate in fatty tissues. Due to their persistence and mobility, it is possible to find them practically anywhere on the planet, even where they have never been used. For this reason, monitoring and vigilance in water bodies are essential. We synthesized calcium titanate (CaTiO  3 ) particles using the solid-state method in the present research. Several physicochemical techniques characterized the particles: energy dispersive spectroscopy (EED), X-ray diffraction (XRD), Raman spectroscopy, scanning electron microscopy (SEM), diffuse reflectance spectroscopy (ERD), and electrochemical: cyclic voltammetry (CV), among others.; It was found via XRD and Raman that the crystalline structure is orthorhombic with space group Pbnm. The synthesized CaTiO  3 particles have an average diameter of &#8776; 2 µm. Furthermore, the value obtained for the energy gap (E  g ) was 3.41 eV; it also presents a low energy step at a value of 2.66 eV, which may correspond to the mingap electronic states. The glassy carbon electrode modified with the CaTiO  3 film showed a sensitivity for determining nitrobenzene (NB) in aqueous solution. Therefore, it can be concluded that the development of CaTiO  3 particles is a viable alternative to be used as a sensor of organic contaminants in water.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Perovskita]]></kwd>
<kwd lng="es"><![CDATA[CaTiO3]]></kwd>
<kwd lng="es"><![CDATA[Contaminantes orgánicos]]></kwd>
<kwd lng="es"><![CDATA[Sensor electroquímico]]></kwd>
<kwd lng="es"><![CDATA[Solución acuosa]]></kwd>
<kwd lng="en"><![CDATA[Perovskite]]></kwd>
<kwd lng="en"><![CDATA[CaTiO3]]></kwd>
<kwd lng="en"><![CDATA[Organic contaminants]]></kwd>
<kwd lng="en"><![CDATA[Electrochemical sensor]]></kwd>
<kwd lng="en"><![CDATA[Aqueous solution]]></kwd>
</kwd-group>
</article-meta>
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