kupfernickel การใช้

Originally, the only source for nickel was the rare Kupfernickel.
In modern German, Kupfernickel and Kupfer-Nickel designates the alloy Cupronickel.
In 1751, Baron Axel Fredrik Cronstedt was attempting to extract copper from kupfernickel mineral, and obtained instead a white metal that he called after the spirit, nickel.
They called this ore " Kupfernickel " from the German " Kupfer " for copper . . . . In 1751, Baron Axel Fredrik Cronstedt was trying to extract copper from kupfernickel and instead produced a white metal that he named after the spirit that had given its name to the mineral, nickel . "-- talk ) 14 : 43, 2 December 2012 ( UTC)