HW Chemical Dose Week 7
HW Chemical Dose Week 7
1. Calculate the dose rate and the absorbed dose for the Fricke
dosimetric resolution that was irradiated with Co-60 supply throughout three
hrs. The absorbance of the irradiated dosimetric resolution (Fe3+),
measured with UV/Vis-spectrophotometer in 1 cm cuvettes at the
wavelength =304 nm, elevated from zero.01 (preliminary) to zero.203
(irradiated). The molar absorptivity of ferric ions for this
wavelength is ε304 = 2187 L mol1cm1, the density of the
dosimetric resolution is ρ=1.zero24 g/mL, and the tabulated radiation
chemical yield for gamma supply 60Co is 1.6 µmol J1.
A = εcl
2. Calculate the dose rate and the absorbed dose for the ceric
sulfate dosimetric resolution that was irradiated with Co-60 supply
throughout three hrs. The absorbance of the irradiated dosimetric resolution
(Ce4+), measured with UV/Vis-spectrophotometer in 1 cm
cuvettes at the wavelength =320 nm, decreased from 1.01 (preliminary)
to zero.21 (irradiated). The molar absorptivity of ceric ions for this
wavelength is ε320 = 561 L mol1cm1, density of the dosimetric
resolution is ρ=1.025 g/mL and the G worth for the cerous-ion yield is
2.three molecules/100 eV for the gamma supply 60Co.
three. Estimate the impact of alpha-autoradiolysis in the acidic aqueous
resolution of 239Pu with focus of zero.03 mol/L of 239Pu:
a) Contemplating the half-life T1/2=24111 y (=7.60364×1011 sec) and
the alpha power of 5.24 MeV, what’s the weekly dose absorbed in
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