DS DS/EN 24946
DS DSEN 24946 1990-AUG-17 Steel and cast ron - Determnaton of copper content - 22'-Dqunolyl spectrophotometrc method
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The standard specifies a 2,2'-diquinolyl spectrophotometric method for the determination of copper in steel and cast iron. The method is applicable to copper contents between 0,02 and 5% (m/m).