18.97.14.86
18.97.14.86
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SCIE SCOPUS
토륨 세륨 란탄 및 잇트륨의 함수산화물
Hydrous oxide of Thorium , Cerium , Lanthanum and Yttrium
김수식 , 주목호우위문 , 좌백웅조 ( Soo Sik Kim , K . Funaki , & Y . Saeki )
UCI I410-ECN-0102-2008-580-001862712

Dehydration processes of the hydrous oxides of thorium, lanthanum and yttrium obtained by addition of ammonium hydroxide to the chloride solutions were examined by thermogravimetric, differential thermal and x-ray diffraction analyses. It was observed that the hydrous oxides of thorium, cerium and yttrium were amorphous and belong to the group of aquated oxides, and hydrous oxide of lanthanum was lanthanum tri-hydroxide. The tri-hydroxide is dehydrated according to the process, La(OH)₃, 270℃ LaOOH 680℃ La₂O₃.

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