Enter your sample's Chemical Formula, Mass, Density, and Thickness alongside reactor parameters like Thermal Neutron Flux, Cadmium Ratio, and Irradiation Time to calculate the Total Activity — plus Specific Activity, Saturation Activity, and Dose Rate at 1m for your irradiated sample.
Total Activity
--
Specific Activity
--
Dose Rate at 1m
--
Saturation Activity
--
Neutron activation analysis is a technique where materials are exposed to neutron radiation, causing stable isotopes to become radioactive. The resulting radioactivity can be measured to determine elemental composition and concentrations.
The cadmium ratio is the ratio of activation with bare neutrons to activation with cadmium-filtered neutrons. Higher ratios indicate a greater thermal neutron component in the flux.
Activated samples can pose radiation hazards. Always follow radiation safety protocols, use appropriate shielding, limit exposure time, and allow for adequate decay before handling.
The calculations provide estimates based on theoretical cross-sections and decay constants. Actual results may vary due to neutron spectrum variations, self-shielding effects, and measurement uncertainties.
Saturation activity is the maximum activity that would be reached if irradiation continued indefinitely. It represents the equilibrium between production and decay rates.
This calculator primarily focuses on thermal neutron activation. For fast neutron reactions, different cross-sections and thresholds apply, which may not be fully represented in these calculations.