GB/T 18115.9-2000 稀土氧化物化学分析方法　电感耦合等离子体发射光谱法测定氧化钬中氧化镧、氧化铈、氧化镨、氧化钕、氧化钐、氧化铕、氧化钆、氧化铽、氧化镝、氧化铒、氧化铥、氧化镱、氧化镥和氧化钇量

GB/T 18115.9-2000 Holmium oxide—Determination of lanthanum oxide, cerium oxide, praseodymium oxide, neodymium oxide, samarium oxide, europium oxide, gadolinium oxide terbium oxide, dysprosium oxide, erbium oxide, thulium oxide, ytterbium oxide, lutetium oxide and yttrium oxide contents—Inductively coupled plasma atomic emission spectrographic method