EXTRACTION SEPARATION METHOD OF CRYSTAL/SLUDGE IN COPPER ALLOY AND LIQUID FOR EXTRACTION SEPARATION USED THEREFOR

摘要

PPROBLEM TO BE SOLVED: To provide a method of carrying out rationing of a crystal/sludge in a copper alloy with accuracy and efficiency. PSOLUTION: A test piece is immersed in a liquid including extraction separation in one or more sorts and alcohol which are chosen from a group which consists of including compound and ammonium salt in amino group, preferably electrolysis is conducted and the matrix is dissolved. PCOPYRIGHT: (C)2004,JPO