SN/T 4242-2015.Determination of Nd,Dy,Pr,La,Co,B and AI in Nd-Fe-B permanent magnet materials for import and export-Inductively coupled plasma atomic emission spectrometric method.SN/T 4242规定了电感耦合等离子体发射光谱法(ICP AES)测定钕铁硼永磁材料中钕、镝、错、镧、钴、硼和铝含量测定方法。
SN/T 4242适用于进出口钕铁硼永磁材料中钕、镝、镨、镧、钴、硼和铝元素的测定,其检出限见表1。...................
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