INSPECTION METHOD FOR METALLIC PURIFIED LUMP, MANUFACTURING METHOD FOR HIGH-PURITY METAL INCLUDING SAME, AND USES FOR SAME

摘要

An inspection method for a metallic purified lump, the method comprising: bringing a purified lump support into contact with a metal melt containing impurities; depositing a metallic purified lump of the metal melt on the surface of the purified lump support by means of solidification segregation; and carrying out an inspection of the quality of the metallic purified lump obtained, as determined by the concentration of impurities included in the metallic purified lump, on the basis of the condition of the surface of the outer peripheral surface of the metallic purified lump.