Solution containing iodine-124 in the form of sodium iodide. Content: 90% to 110% of the declared iodine-124 radioactivity at the date and hour stated on the label.
Production
Iodine-124 is produced by proton irradiation of tellurium enriched in Tellurium-124 (minimum 98%). No carrier iodine is added.
Characters
Appearance: clear, colourless solution.
Identification
Gamma-ray spectrometry: the most prominent gamma photon has an energy of 602,7 keV.
Test
pH: higher than 10
Sterility: Not tested for.
Bacterial endotoxins: Not tested for.
Radioactive concentration
> 740 MBq / ml ( > 20 mCi / ml ) in 1 ml glass vial
Radionuclidic purity
Iodine-124: minimum 99 % of the total radioactivity at calibration date.
Iodine-123: less than 0.5% at calibration date.
Iodine-125: less than 0.1% at calibration date.
Radiochemical purity
[124I]iodine : minimum 95% of the total activity.
Chemical purity
Tellurium content: less than 1µg/ml
Radioactivity
Determine the radioactivity using a calibrated instrument.
