en2015-08-18 18:10 PM CESThttp://inspire.ec.europa.eu/codelist/CommodityCodeValue/praseodymium:1http://inspire.ec.europa.eu/codelist/CommodityCodeValue/praseodymiumPraseodymium is a chemical element that has the symbol Pr and atomic number 59. Praseodymium is a soft, silvery, malleable and ductile metal in the lanthanide group. - http://en.wikipedia.org/wiki/Praseodymium