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</html><description>Germanium wordt in de aardkorst verspreid met een snelheid van 6,7 ppm of delen per miljoen. Het is gebruikelijk om het te zien als sulfiden of in mineralen van lood, koper en zink in delen van Europa en Noord-Amerika. Het valt op omdat het een halfgeleidermetaal is met verschillende toepassingen in de industrie. Leer dit ... Lees verder</description></oembed>
