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Patent Searching and Data


Title:
METHOD FOR KEEPING PURITY OF HYDROGEN IODIDE
Document Type and Number:
Japanese Patent JPH0959003
Kind Code:
A
Abstract:

To provide a process for preventing the intrusion of impurities in hydrogen iodide or gaseous hydrogen iodide and keeping the hydrogen iodide in highly pure state.

Hydrogen iodide is stored in a cylinder lined its inner surface with gold, nickel or a polyfluoroethylene resin. Hydrogen iodide can be stored in high purity without lowering the purity even in the case of intermittently using hydrogen iodide or storing over a long period.


Inventors:
SASAKI SAKAKI
ASASHIGE NAOKI
SAGAWA EIICHI
NAKAMURA MITSUO
TANAKA YOSHINORI
OMURA MASAHIRO
Application Number:
JP21161495A
Publication Date:
March 04, 1997
Filing Date:
August 21, 1995
Export Citation:
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Assignee:
MITSUI TOATSU CHEMICALS
International Classes:
F17C1/10; C01B7/13; (IPC1-7): C01B7/13; F17C1/10