<?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>S0379-39822015000300045</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Síntesis de nanopartículas magnéticas de óxido de hierro para la remoción de arsénico del agua de consumo humano]]></article-title>
<article-title xml:lang="en"><![CDATA[Synthesis of magnetic iron oxide nanoparticles toward arsenic removal from drinking water]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Starbird-Pérez]]></surname>
<given-names><![CDATA[Ricardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Montero-Campos]]></surname>
<given-names><![CDATA[Virginia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,CEQIATEC  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>CR</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,CEQIATEC  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>CR</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2015</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2015</year>
</pub-date>
<volume>28</volume>
<numero>3</numero>
<fpage>45</fpage>
<lpage>54</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S0379-39822015000300045&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S0379-39822015000300045&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S0379-39822015000300045&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[ResumenEl objetivo de este estudio consiste en proveer un material de alta área de contacto, para ser empleado en el tratamiento de aguas contaminadas con arsénico. Se reporta la síntesis de nanopartículas de hierro con propiedades superparamagnéticas, estabilizadas con ácido esteárico, así como su respectiva caracterización a través de técnicas espectrofotométricas, termogravimétricas y trasmisión electrónica, siendo evidente que la presencia de un emulsificante es determinante para la estabilización de la fase del óxido de hierro (maghemita o magnetita) con propiedades magnéticas. El material obtenido muestra adecuadas propiedades para ser utilizado en el tratamiento de agua de consumo humano.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[AbstractThe aim of this study is to provide a material with large contact area, to be used in the removal of arsenic from water sources. This work report on the synthesis of iron nanoparticles with superparamagnetic properties, stabilized using stearic acid and their respective characterization by infrared spectrophotometric, thermogravimetric and electronic transmission techniques. The presence of an emulsifier is decisive for the stabilization of iron oxide phase (maghemite or magnetite) with magnetic properties. The resulting material shows promissory properties to be used for drinking water treatment.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Aguas contaminadas]]></kwd>
<kwd lng="es"><![CDATA[arsénico]]></kwd>
<kwd lng="es"><![CDATA[nanopartículas de hierro]]></kwd>
<kwd lng="en"><![CDATA[Water sources]]></kwd>
<kwd lng="en"><![CDATA[arsenic]]></kwd>
<kwd lng="en"><![CDATA[iron nanoparticles]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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