Published September 1980
| Version v1
Report
Open
A facility for the production of 123I by spallation of caesium
- 1. British Columbia Univ., Vancouver (Canada). TRIUMF Facility
- 2. British Columbia Univ., Vancouver, (Canada). Dept. of Pharmaceutical Sciences
- 3. National Aeronautics and Space Administration, Cleveland, OH (USA). Lewis Research Center
Description
An on-line facility for the production of 123I by spallation of elemental caesium by 482 MeV protons has been in operation at a TRIUMF beam dump for about two years. Radioxenon from the target is efficiently trapped on alumina which is subsequently used to remove the 121Te decay product. The yield is 100 mCi/h from a 20 g/cm2 target at 10 μA. Impurities are 125I <2% and 121Te <0.2% at 27 h after end of production. The 123I consists mainly of iodide along with significant iodate impurity. The product is used extensively in Canadian clinics for thyroid analyses and labelling radiopharmaceuticals. (auth)
Availability note (English)
MF available from INIS under the Report Number.Files
12613693.pdf
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Additional details
Publishing Information
- Imprint Pagination
- 14 p.
- Report number
- TRI-PP--80-29
INIS
- Country of Publication
- Canada
- Country of Input or Organization
- Canada
- INIS RN
- 12613693
- Subject category
- S07: ISOTOPES AND RADIATION SOURCES;
- Descriptors DEI
- ADSORPTION; ALUMINIUM OXIDES; BEAM DUMPS; CESIUM 133 TARGET; EXTRACTION CHROMATOGRAPHY; IMPURITIES; IODATES; IODIDES; IODINE 112; IODINE 121; IODINE 125; ISOTOPE PRODUCTION; MEV RANGE 100-1000; ON-LINE CONTROL SYSTEMS; PROTON BEAMS; PURIFICATION; RADIOCHEMISTRY; RADIOPHARMACEUTICALS; REMOTE HANDLING; SPALLATION; TELLURIUM 121; TRIUMF CYCLOTRON; XENON ISOTOPES
- Descriptors DEC
- ACCELERATORS; ALUMINIUM COMPOUNDS; BEAMS; BETA DECAY RADIOISOTOPES; BETA-PLUS DECAY RADIOISOTOPES; CHALCOGENIDES; CHEMISTRY; CHROMATOGRAPHY; CONTROL SYSTEMS; CYCLIC ACCELERATORS; CYCLOTRONS; DAYS LIVING RADIOISOTOPES; DRUGS; ELECTRON CAPTURE RADIOISOTOPES; ENERGY RANGE; EVEN-ODD NUCLEI; HALIDES; HALOGEN COMPOUNDS; HOURS LIVING RADIOISOTOPES; INTERMEDIATE MASS NUCLEI; INTERNAL CONVERSION RADIOISOTO; IODINE COMPOUNDS; IODINE ISOTOPES; ISOCHRONOUS CYCLOTRONS; ISOMERIC TRANSITION ISOTOPES; ISOTOPES; LABELLED COMPOUNDS; MEV RANGE; NUCLEAR REACTIONS; NUCLEI; NUCLEON BEAMS; ODD-EVEN NUCLEI; ODD-ODD NUCLEI; ON-LINE SYSTEMS; OXIDES; OXYGEN COMPOUNDS; PARTICLE BEAMS; RADIOACTIVE MATERIALS; RADIOISOTOPES; SECONDS LIVING RADIOISOTOPES; SEPARATION PROCESSES; TARGETS; TELLURIUM ISOTOPES