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Lanthanum(III) nitrate is any inorganic compound with the chemical formula La(NO 3) 3 ·xH 2 O. It is used in the extraction and purification of lanthanum from its ores. [5] The compound decomposes at 499°C to lanthanum oxide, nitric oxide and oxygen. [3]
Neodymium(III) nitrate can be obtained by dissolving neodymium(III) oxide in nitric acid. [9] Evaporating the resulting solution yields hydrated neodymium(III) nitrate, where the hexahydrate form is the most common. Heating the hexahydrate further will obtain the anhydrous form.
Lanthanum oxalate is an inorganic compound, ... Reaction of soluble lanthanum nitrate with an excess of oxalic acid: 2 La(NO 3) 3 + 3 (COOH) 2 → La 2 (C 2 O 4) 3 ...
Lanthanum is a chemical element with the symbol La and the atomic number 57. ... Lanthanum is separated as a double salt with ammonium nitrate by crystallization.
For instance, like lanthanum, cerium, and neodymium, praseodymium nitrate forms both the 4:3 and 1:1 complexes with 18-crown-6, whereas the middle lanthanides from promethium to gadolinium can only form the 4:3 complex and the later lanthanides from terbium to lutetium cannot successfully coordinate to all the ligands.
Europium(III) nitrate can be obtained by reacting europium(III) oxide and nitric acid and crystallizing. The crystal is dried with 45~55% sulfuric acid to obtain hexahydrate. [58] Its anhydrous form can be obtained by the reaction of europium oxide and dinitrogen tetroxide, while heating the hydrate can only obtain the basic salt EuONO 3. [59]
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Lutetium(III) chloride forms hygroscopic white monoclinic crystals [11] and also a hydroscopic hexahydrate LuCl 3 ·6H 2 O. [12] Anhydrous lutetium(III) chloride has the YCl 3 (AlCl 3) layer structure with octahedral lutetium ions. [13] Lutetium(III) bromide can be synthesized through the following reaction: [14] 2 Lu(s) + 3 Br 2 (g) → 2 LuBr ...
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