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METHOD OF ISOTOPE CONCENTRATION

Patent ·
OSTI ID:4155547
;
A method of concentrating N/sup 15/ in a liquid is described. Gaseous nitric oxide and at least one liquid selected from the group consisting of the aqueous oxyacids and oxides of nitrogen, wherein the atomic ratio of oxygen to nitrogen is greater than unity, are brought into intimate contact to cause an enrichment of the liquid and a depletion of the gas in N/sup 15/. The liquid is, thereafter, reacted with sulfur dioxide to produce a gas contuining nitric oxide. The gas contuining nitric oxide is then continuously passed in countercurrent contact with the liquid to cause further enrichment of the liquid.
Research Organization:
Originating Research Org. not identified
NSA Number:
NSA-14-015876
Assignee:
U.S. Atomic Energy Commission
Patent Number(s):
US 2923601
OSTI ID:
4155547
Country of Publication:
United States
Language:
English

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Related Subjects

ACIDS
CHEMICAL REACTIONS
COUNTER CURRENT
ENRICHMENT
GASES
ISOTOPE SEPARATION
LIQUIDS
NITROGEN
NITROGEN 15
NITROGEN OXIDES
ORGANIC ACIDS
OXYACIDS
OXYGEN
SULFUR OXIDES
WATER