… Compounds, inorganic or organic, of rare-earth metals, of yttrium or of scandium or …
Explanatory notes
… cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, … Cerous nitrate (Ce(NO 3 ) 3 ) is used in the manufacture of gas‑mantles. Ammonium ceric nitrate appears in the form of … of rare‑earth metals, e.g., xenotime (complex phosphates), gadolinite or ytterbite and cerite (complex silicates) ( …