Focus PaperZeldzame aardelementen: A review of applications, occurrence, exploration, analysis, recycling, and environmental impact
Rare earth elements (REE) include the lanthanide series elements (La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu) plus Sc and Y. Today these metals have become very…