<?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>S0187-893X2015000400346</article-id>
<article-id pub-id-type="doi">10.1016/j.eq.2015.07.004</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Charles Hatchett: The discoverer of niobium]]></article-title>
<article-title xml:lang="es"><![CDATA[Charles Hatchett: el descubridor del niobio]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Wisniak]]></surname>
<given-names><![CDATA[Jaime]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Ben-Gurion University of the Negev Department of Chemical Engineering ]]></institution>
<addr-line><![CDATA[Beer-Sheva ]]></addr-line>
<country>IL</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2015</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2015</year>
</pub-date>
<volume>26</volume>
<numero>4</numero>
<fpage>346</fpage>
<lpage>355</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0187-893X2015000400346&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0187-893X2015000400346&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0187-893X2015000400346&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[To Charles Hatchett (1765-1847), a self-educated scientist and first class analytical chemist, we owe the discovery of niobium, the analysis of a series of important minerals and animal substances such as shells, bones, dental enamel, a detailed study of bitumens, the separation of an artificial tanning material from mineral and animal sources.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[A Charles Hatchett (1765-1847), un científico autodidacta y hábil químico analítico, le debemos el descubrimiento del niobio, el análisis de minerales importantes y de substancias animales como conchas, huesos y esmalte dental, un detallado estudio de los bitúmenes, la separación de taninos artificiales de fuentes minerales y animales, etc.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Bitumen]]></kwd>
<kwd lng="en"><![CDATA[Bones]]></kwd>
<kwd lng="en"><![CDATA[Columbium]]></kwd>
<kwd lng="en"><![CDATA[Gold coins]]></kwd>
<kwd lng="en"><![CDATA[Lac]]></kwd>
<kwd lng="en"><![CDATA[Molybdenum]]></kwd>
<kwd lng="en"><![CDATA[Niobium]]></kwd>
<kwd lng="en"><![CDATA[Shells]]></kwd>
<kwd lng="en"><![CDATA[Zoophites]]></kwd>
<kwd lng="es"><![CDATA[Bitúmenes]]></kwd>
<kwd lng="es"><![CDATA[Huesos]]></kwd>
<kwd lng="es"><![CDATA[Columbio]]></kwd>
<kwd lng="es"><![CDATA[Monedas de oro]]></kwd>
<kwd lng="es"><![CDATA[Lac]]></kwd>
<kwd lng="es"><![CDATA[Molibdeno]]></kwd>
<kwd lng="es"><![CDATA[Niobio]]></kwd>
<kwd lng="es"><![CDATA[Conchas]]></kwd>
<kwd lng="es"><![CDATA[Zoofitas]]></kwd>
</kwd-group>
</article-meta>
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