Photonuclear production of potassium-38
Radioactive potassium-38 has been produced by the photonuclear reactions /sup 39/K(..gamma..,n)/sup 38/K and /sup 40/Ca(..gamma..,np)/sup 38/K by using the bremsstrahlung field developed by an electron linear accelerator. Noncarrier-free /sup 38/K was produced by irradiating potassium hydroxide pellets for 30 minutes by using 10 kW of 40-MeV electrons passing through a thick tantalum converter. Yields of 50--70 mCi /sup 38/K per gram KOH irradiated were obtained. Carrier-free /sup 38/K was produced by similarly irradiating shredded calcium metal, obtaining 1--3 mCi per gram of calcium. In both cases, the target material was dissolved in HCl, neutralized and prepared as sterile solutions of KCl for injection. (GRA)
- Research Organization:
- Armed Forces Radiobiology Research Inst., Bethesda, MD (USA)
- OSTI ID:
- 7187925
- Report Number(s):
- AD-A-011820; AFRRI-TN-75-2
- Country of Publication:
- United States
- Language:
- English
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Process for preparation of potassium-38
Process for preparation of potassium-38
Related Subjects
400703* -- Radiochemistry & Nuclear Chemistry-- Radioisotope Production
ALKALI METAL COMPOUNDS
ALKALI METAL ISOTOPES
BETA DECAY RADIOISOTOPES
BETA-PLUS DECAY RADIOISOTOPES
CHEMICAL REACTION YIELD
HYDROGEN COMPOUNDS
HYDROXIDES
ISOTOPE PRODUCTION
ISOTOPES
LIGHT NUCLEI
MINUTES LIVING RADIOISOTOPES
NUCLEAR REACTIONS
NUCLEI
ODD-ODD NUCLEI
OXYGEN COMPOUNDS
PHOTONUCLEAR REACTIONS
POTASSIUM 38
POTASSIUM COMPOUNDS
POTASSIUM HYDROXIDES
POTASSIUM ISOTOPES
RADIOISOTOPES
SECONDS LIVING RADIOISOTOPES
YIELDS