2805302930
- Alkali or alkaline-earth metals; rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed; mercury
- Rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed
- Other
- Of a purity by weight of 95 % or more
- Praseodymium, neodymium and samarium
- Praseodymium