发明名称 |
Preparation of anhydrous TaF{HD 5 |
摘要 |
Anhydrous TaF5 can be synthesized from a mixture comprising water and fluorotantalic acids by contacting said mixture with a dehydrating agent. Preferably, said mixture is formed by contacting tantalum oxides, tantalum oxide-halides or mixtures thereof with HF. The dehydrating agent should be a compound that contains carbon-chlorine bonds, carbon-bromine bonds or mixtures thereof.
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申请公布号 |
US4124692(A) |
申请公布日期 |
1978.11.07 |
申请号 |
US19770864687 |
申请日期 |
1977.12.27 |
申请人 |
EXXON RESEARCH & ENGINEERING CO. |
发明人 |
KIM, CHANG J.;FARCASIU, DAN |
分类号 |
C01G35/02;(IPC1-7):C01G35/00 |
主分类号 |
C01G35/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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