GB/T 18115.1-2020 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides—Part 1:Determination of cerium,praseodymium,neodymium,samarium,europium,gadolinium,terbium,dysprosium,holmium,erbium,thulium,ytterbium,lutetium and yttrium contents in lanthanum metal and oxide
稀土金属及其氧化物中稀土杂质化学分析方法 第1部分：镧中铈、镨、钕、钐、铕、钆、铽、镝、钬、铒、铥、镱、镥和钇量的测定 ;
| Category No.: | 77.120.99 |
Valid Status: | valid |
| Issued Organization: | SAMR; SAC |
Issued Date: | 2020-11-19 |
| Implemented Date: | 2021-10-1 |
Abolished Date: | |
| Superseded Standard.: | |
Superseded Date: | |
