Phosphorus-33 is a low-energy beta emitter. Most common means of
detection is with a thin-window probe or liquid scintillation.
1. Maximum energy: 0.248 MeV; the average energy is
2. Maximum range in air: 1.5 feet (0.5 m).
3. Maximum range in tissue: 1 mm.
4. IAEA toxicity classification: Medium-low.
5. Physical half-life: 24.4 days.
6. Effective half-life (Teff): 10-24 days.
7. Critical organ:
Bone for transportable compounds.
Lung and lower large intestine are critical organs for
inhalation and ingestion, respectively.
8. Personnel monitoring: NOT detected with a dosimeter
(TLD or film) dosimeter and finger rings, uptakes may
be determined by urinalysis.
Privacy Statement - Press Release - Copyright Information. - Contact Us