Holmium(III) oxide, or holmium oxide is a chemical compound of the rare-earth element holmium and oxygen with the formula Ho2O3. Together with dysprosium(III)...

holmium is usually found in the +3 oxidation state, forming compounds such as holmium(III) fluoride (HoF3) and holmium(III) chloride (HoCl3). Holmium...

Ytterbium(III) oxide is the chemical compound with the formula Yb2O3. It is one of the more commonly encountered compounds of ytterbium. It occurs naturally...

The most commonly used method to obtain holmium(III) chloride involves heating a mixture of holmium(III) oxide and ammonium chloride at 200-250 °C: Ho2O3...

Erbium(III) oxide is the inorganic compound with the formula Er2O3. It is a pink paramagnetic solid. It finds uses in various optical materials. Erbium(III)...

anhydrous form and as an octahydrate. It can be obtained by dissolving holmium(III) oxide in selenic acid solution and evaporating and crystallizing it. It...

Anhydrous salt is obtained by the action of nitrogen dioxide on holmium(III) oxide: 2 H o 2 O 3 + 9 N 2 O 4   → 150 o C   4 H o ( N O 3 ) 3 + 6 N O {\displaystyle...

Holmium(III) sulfide can be obtained by the reaction of holmium(III) oxide and hydrogen sulfide at 1325 °C. Ho2O3 + 3 H2S → Ho2S3 + 3 H2O Holmium(III)...

which is further heated to obtain the anhydrous form, and finally holmium(III) oxide is obtained. It reacts with hydrochloric acid to obtain H[Ho(C2O4)2]·6H2O...

Dysprosium oxide (Dy2O3) is a sesquioxide compound of the rare earth metal dysprosium. It is a pastel yellowish-greenish, slightly hygroscopic powder...