verb🔗ShareDurch Kupellation verfeinernTo refine by means of a cupel."The assayer was cupelling the gold ore to remove any lead impurities. "Der Probierer verfeinerte das Goldvorkommen durch Kupellation, um Bleiverunreinigungen zu entfernen.chemistrymaterialprocessscienceindustryChat with AIVocabulary GamePractice Reading
