B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
204/91.27
B01D 59/34 (2006.01)
Patent
CA 1335977
An enrichment method of carbon 13 by use of the multistage laser irradiation. A mixture of CHClF2 and Br2 is used as a start substance. The mixture is irradiated with laser rays emitted from a carbon dioxide gas laser to obatain CBr2F2 enriched with carbon 13. This CBr2F2 enriched with carbon 13 is once more irradiated with laser rays emitted from a carbon dioxide gas laser to produce C2Br2F4 which is further enriched with carbon 13. Alternatively, the product CBr2F2 of the first laser irradiation is once more irradiated together with O2 to produce COF2 which is further enriched with carbon 13.
588717
Arai Shigeyoshi
Isomura Shohei
Kaetsu Hayato
Sugita Kyoko
G. Ronald Bell & Associates
Kenkyusho Rikagaku
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