<?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>0035-001X</journal-id>
<journal-title><![CDATA[Revista mexicana de física]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. mex. fis.]]></abbrev-journal-title>
<issn>0035-001X</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de Física]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0035-001X2022000400019</article-id>
<article-id pub-id-type="doi">10.31349/revmexfis.68.041502</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Experimental study of the modified Paschen&#8217;s law: glow discharge of Ethanol (CH3CH2OH), Methanol (CH3OH) and its mixtur]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Palomares]]></surname>
<given-names><![CDATA[J. C.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Reyes]]></surname>
<given-names><![CDATA[P.G.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gómez]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez]]></surname>
<given-names><![CDATA[M. J.]]></given-names>
</name>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Torres]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vergara]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autonoma del Estado de México Facultad de Ciencias Laboratorio de Física Avanzada]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma del Estado de Morelos Escuela de Estudios Superiores de Xalostoc Laboratorio de Análisis y Sustentabilidad Ambiental]]></institution>
<addr-line><![CDATA[ Morelos]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Nacional Autonoma de México Instituto de Ciencias Físicas Laboratorio de Espectroscopía]]></institution>
<addr-line><![CDATA[ Morelos]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2022</year>
</pub-date>
<volume>68</volume>
<numero>4</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0035-001X2022000400019&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0035-001X2022000400019&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0035-001X2022000400019&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract A low-pressure ethanol and methanol discharge produced by a DC electric field was studied experimentally, analyzing the disruptive voltage between parallel electrodes with a circular geometry as function of pressure and distance according with the Paschen&#8217;s law, this states that the breakdown voltage is a function of the product of gas pressure and distance following the relationship: VB = &#402;(pd). Detailed knowledge of the minimum breakdown voltage required to initiate the ethanol-methanol discharge will be useful to providing important information for future experiments and applications. In this experiment, a cylindrical chamber was used to generate a glow discharge of the ethanol (CH3CH2OH), methanol (CH3OH), and 50% mixture, over a pressure range of 0.07-5.00 Torr. Optical emission spectroscopy was performed in the wavelength range of 200-900 nm. The Paschen curves, measured experimentally for ethanol and methanol are presented, taking in account the coefficient obtained using the variation in Paschen&#8217;s law as a function of the distance and radius of the electrodes (d/r).]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Plasma]]></kwd>
<kwd lng="en"><![CDATA[Paschen&#8217;s Law]]></kwd>
<kwd lng="en"><![CDATA[breakdown]]></kwd>
<kwd lng="en"><![CDATA[ethanol]]></kwd>
<kwd lng="en"><![CDATA[methanol]]></kwd>
</kwd-group>
</article-meta>
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