<?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>0379-3982</journal-id>
<journal-title><![CDATA[Revista Tecnología en Marcha]]></journal-title>
<abbrev-journal-title><![CDATA[Tecnología en Marcha]]></abbrev-journal-title>
<issn>0379-3982</issn>
<publisher>
<publisher-name><![CDATA[Instituto Tecnológico de Costa Rica]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0379-39822022000200016</article-id>
<article-id pub-id-type="doi">10.18845/tm.v35i2.5561</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Implementación de metodologías analíticas para la caracterización de aguas geotérmicas para aplicación en usos]]></article-title>
<article-title xml:lang="en"><![CDATA[Implementation of analytical methodologies for characterization of geothermal waters for direct uses]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Robles-Chaves]]></surname>
<given-names><![CDATA[Diana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arias-Molina]]></surname>
<given-names><![CDATA[Olman Alberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Tecnológico de Costa Rica Escuela de Química ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Costarricense de Electricidad (ICE  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2022</year>
</pub-date>
<volume>35</volume>
<numero>2</numero>
<fpage>16</fpage>
<lpage>26</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S0379-39822022000200016&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S0379-39822022000200016&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S0379-39822022000200016&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen En Costa Rica se han identificado importantes campos geotermales con temperaturas inferiores a los 150 °C, que han sido poco explorados, y su uso es prácticamente exclusivo para baños termales; dejándose de lado importantes aplicaciones en usos directos donde se utiliza el calor de este recurso, para sistemas de climatización, acuicultura, deshidratación, entre otros. En esta investigación, se seleccionaron seis sitios de agua geotérmica en la zona de Cartago con temperaturas superficiales en un rango entre (43 - 61) °C, y se determinó que la totalidad de las muestras son clasificadas como aguas salobres con una composición predominante de tipo (HCO3 - __ Na+) o (SO4 2- __ Na+), las cuales podrían presentar problemas de corrosión o incrustación. Se estimó que el geotermómetro de SiO2 es el más adecuado para estimar las temperaturas del reservorio las cuales se encuentran en el rango entre (75 - 83) °C. La validez de las metodologías analíticas empleadas fue demostrada realizando enriquecimientos con material de referencia en esta matriz, obteniéndose porcentajes de recuperación entre (85- 119)%.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract In Costa Rica, important geothermal fields were found with temperatures below 150 ° C. There has been little exploration in this fields and their use are exclusively for thermal baths. Excluding important applications in direct uses, such as air conditioning systems, aquaculture, dehydration, among others. Six geothermal water sites were selected in Cartago with surface temperatures between (43 - 61) °C. All the samples studied are classified as brackish waters with a predominant composition of (HCO3 - __ Na+) or (SO4 2- __ Na+), which could present corrosion or scaling problems. The SiO2 geothermometer is the most suitable for estimating the reservoir temperature wich are in the range between (75 - 83) °C. The analytical results were validated by recovery tests with reference material on the matrix under study, obtaining recovery percentages between (85-119) %.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Agua geotermal]]></kwd>
<kwd lng="es"><![CDATA[exploración]]></kwd>
<kwd lng="es"><![CDATA[geoquímica]]></kwd>
<kwd lng="es"><![CDATA[geotermómetro]]></kwd>
<kwd lng="es"><![CDATA[validación]]></kwd>
<kwd lng="es"><![CDATA[robustez]]></kwd>
<kwd lng="es"><![CDATA[Costa Rica]]></kwd>
<kwd lng="en"><![CDATA[Geothermal water]]></kwd>
<kwd lng="en"><![CDATA[exploration]]></kwd>
<kwd lng="en"><![CDATA[geochemistry]]></kwd>
<kwd lng="en"><![CDATA[geothermomether]]></kwd>
<kwd lng="en"><![CDATA[validation]]></kwd>
<kwd lng="en"><![CDATA[ruggedness]]></kwd>
<kwd lng="en"><![CDATA[Costa Rica]]></kwd>
</kwd-group>
</article-meta>
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