Chromatographic extraction with...

Details Chromatographic extraction with... Chromatographic extraction with...

2006-09-08

2008-10-14

Bos, Steven (Department: 1793)

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Radioactive metal

C423S021100, C423S021500

Reexamination Certificate

active

07435399

ABSTRACT:
A method of producing and purifying promethium-147 including the steps of: irradiating a target material including neodymium-146 with neutrons to produce promethium-147 within the irradiated target material; dissolving the irradiated target material to form an acidic solution; loading the acidic solution onto a chromatographic separation apparatus containing HDEHP; and eluting the apparatus to chromatographically separate the promethium-147 from the neodymium-146.

REFERENCES:
patent: 3004823 (1961-10-01), Peppard et al.
patent: 5186913 (1993-02-01), Knapp, Jr. et al.
patent: 5275802 (1994-01-01), Knapp, Jr. et al.
patent: 6716353 (2004-04-01), Mirzadeh et al.
patent: 6751280 (2004-06-01), Mirzadeh et al.
patent: 6804319 (2004-10-01), Mirzadeh et al.

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