DETERMINATION OF LANTHANUM, CERIUM, PRASE ODYMIUM, NEODYMIUM, IRON, AND BORON IN LOWPURITY-Nd(RE)-Fe-B PERMANENT MAGNET ALLOY BY ICP-AES

• ICP-AES法测定低纯钕(稀土)铁硼永磁合金中的镧、铈、镨、钕、铁、硼