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정이든(Yideun Jeong),선종재(Jongjae Sun),장종석(Jong Suk Jang),이상남(Sang Nam Lee),안욱성(Wook-Sung Ahn) 한국자동차공학회 2012 한국자동차공학회 학술대회 및 전시회 Vol.2012 No.11
This paper describes a method for quantitative analysis of rare earth metals such as Nd, Dy, Pr, Tb in permanent magnets. In order to analyze the specimen, three factors were considered; 1) preparation of specimen, 2) dissolution conditions 3) reduction of spectral interference between target elements and the others. As a result, we could obtain reasonable calibration curves and data in each element. All the procedures described in this paper will be used as a standard method for analyzing rare earth elements in permanent magnets.