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 <rdf:Description xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>De electrometrische bepaling van de waterstofionenconcentratie in de latex van Hevea Brasiliensis en hare toepassing op technische vraagstukken = the electrometric determination of the hydrogen ion concentration in the latex of Hevea Brasiliensis and its applicability to technical problems /</dc:title>
  <dc:creator>
   Harpen, Nicolaas Hendrik van
  </dc:creator>
  <dc:type>text</dc:type>
  <dc:publisher>Medan : Varekamp,</dc:publisher>
  <dc:date>1930</dc:date>
  <dc:language>dut</dc:language>
  <dc:description>Teks dalam bahasa Belanda dan Inggris</dc:description>
  <dc:subject>Elektrokimia--</dc:subject>
</rdf:Description>