发明名称 |
PREPARATION OF HIGH PURITY ELEMENTS |
摘要 |
Described is an apparatus and process for in situ refining of high purity elements in Groups IIA and VIB of the Periodic Table. The refining takes place in a hermetically sealed apparatus containing a distillation zone and a refining zone. The distillation zone contains a feed boat (20) and a heating means (22), while the refining zone contains a collection boat (30) and a heating means (32). Zone refining takes place within the refining zone. The method produces high purity elements containing not more than 100 ppb atomic impurities.
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申请公布号 |
CA2168229(A1) |
申请公布日期 |
1995.02.23 |
申请号 |
CA19942168229 |
申请日期 |
1994.08.10 |
申请人 |
JOHNSON MATTHEY ELECTRONICS, INC. |
发明人 |
FELDEWERTH, GERALD BERNARD;BOLLONG, ALAN BRENT IRWIN;BUNNELL, DAVID CLAUDE |
分类号 |
B01D3/00;C01B19/02;C22B9/02;C22C7/00;C22C18/00;C22C20/00;C22C28/00;C30B13/00;(IPC1-7):B01D3/10 |
主分类号 |
B01D3/00 |
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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