Dose & Dose Rate 4
- CT Dose: DLP to Effective Dose CalculatorCalculatorEffective dose from the dose-length product, computed at three published coefficient sets at once — because…
- Fluoroscopy Skin Dose CalculatorCalculatorPeak skin dose from the cumulative air kerma at the reference point, cross-checked against the kerma-area…
- Gamma Dose Rate Point Source CalculatorCalculatorThe dose rate from a point gamma source, with the air kerma rate constant printed as…
- Nuclear Medicine Administered Activity CalculatorCalculatorAdministered activity scaled from a reference activity you supply, by eight methods side by side —…
Radioactivity & Decay 4
- Decay Correction to a Calibration Date CalculatorCalculatorWhat a vial assayed for a stated calibration time holds now, what it will hold at…
- Half-Life, Decay Constant and Mean Life CalculatorCalculatorλ = ln2/t½ and the mean life that is 1.4427 times the half-life rather than 0.6931…
- Radioactive Decay and Activity CalculatorCalculatorThe activity left after an interval, the activity the interval implies going backward, and the time…
- Specific Activity and Source Mass CalculatorCalculatora = ln2·N_A/(t½·M), and therefore how many milligrams a 37 GBq cobalt-60 source is and how…
Shielding & Attenuation 4
- Half Value Layer and Transmission CalculatorCalculatorThe half-value layer, the tenth-value layer and the transmission through any thickness, from NIST photon attenuation…
- Layered Shield Attenuation CalculatorCalculatorThree materials in series: the total transmission, which layer is doing the work as a share…
- Mass Attenuation Coefficient CalculatorCalculatorNIST photon attenuation data as a reference: μ/ρ and μen/ρ for eight materials from 1 keV…
- Shield Thickness for a Target Dose Rate CalculatorCalculatorThe thickness that takes a dose rate down to the figure you name — in millimetres,…
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