Title:
ISOTOPE CONCENTRATION METHOD
Document Type and Number:
WIPO Patent Application WO/2007/029797
Kind Code:
A1
Abstract:
An isotope concentration method comprising the step of performing the isotope
exchange between an aqueous solution containing at least two components each
represented by the formula: H2O-H2SiF6·nSiF4
(wherein n≥0) and a gas containing SiF4 to concentrate a stable
Si isotope.
Inventors:
WAKI MASAHIDE (JP)
MIYAMOTO KAZUHIRO (JP)
MIYAMOTO KAZUHIRO (JP)
Application Number:
PCT/JP2006/317809
Publication Date:
March 15, 2007
Filing Date:
September 08, 2006
Export Citation:
Assignee:
STELLA CHEMIFA CORP (JP)
WAKI MASAHIDE (JP)
MIYAMOTO KAZUHIRO (JP)
WAKI MASAHIDE (JP)
MIYAMOTO KAZUHIRO (JP)
International Classes:
B01D59/32; C01B33/02; C01B33/107
Foreign References:
| US6146601A | 2000-11-14 | |||
| JP2003053153A | 2003-02-25 | |||
| US6146601A | 2000-11-14 |
Other References:
See also references of EP 1938888A4
Attorney, Agent or Firm:
SUZUKI, Takao et al. (13-9 Nishinakajima 5-chome, Yodogawa-k, Osaka-shi Osaka 11, JP)
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