신고사유
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Yttrium Fluoride of yttrium are yttrium oxide and yttrium hydroxide, respectively, and they are both white solids which are hardly soluble in water. Among them, yttrium oxide can be prepared by heating yttrium carbonate or yttrium oxalate. Alternatively, the oxychloride can be heated in air to yield the oxide.
Yttrium Fluoride can be precipitated by the reaction of soluble yttrium compounds with sodium hydroxide or ammonia, and can also be obtained by the hydrolysis of yttrium alkoxide. Hydroxy acids and sugars present in the solution will prevent the formation of precipitates due to the formation of stable coordination compounds.
Yttrium Fluoride can be decomposed by heating. Firstly, basic yttrium oxide is formed, and when heating is continued yttrium oxide is obtained. Both yttrium oxide and Yttrium Fluoride are easily soluble in strong acids to form corresponding yttrium salts.
Storage Conditions:
Airtight sealed, avoid light and keep dry at room temperature.
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