Robuta

https://substances.ineris.fr/substance/1308-87-8 Dysprosium oxide (1308-87-8) | PSC 1308-87-8, Oxyde de dysprosium,didysprosium trioxide,Dysprosium Oxide,Dysprosiumoxid,Dysprosium(III)oxide,dysprosium(3+),oxygen(2-) dysprosium oxidepsc