GB/T 18115.10-2006

Chemical analysis methods of rare earth impurities in rare earth metals and their oxides Holmium-Determination of lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, erbium, thulium, ytterbium, lutetium and yttrium contents

稀土金属及其氧化物中稀土杂质化学分析方法 钬中镧、铈、镨、钕、钐、铕、钆、铽、镝、铒、铥、镱、镥和钇量的测定