Useful Information

Radiological Conversions

1 Ci = 3.7x10¹⁰ dps

1 Ci = 2.22x10¹² dpm

1 mCi = 3.7x10⁷ dps

1 mCi = 2.22x10⁹ dpm

1 uCi = 3.7x10⁴ dps

1 uCi = 2.22x10⁶ dpm

1 Rad = 100 ergs/gram

1 Grey = 100 rads

Definitions

Rem = Roentgen Equivalent Man

Rem = Roentgen * Quality Factor

LD 50/30 = 450 Rems

Quality Factor
Radiation	Quality Factor
X-Ray, Gamma or Beta	1
Slow Neutrons (low KE)	3
Fast Neutrons	10
Alpha Particles	30

Isotopes

Isotopes Chart

Radiological Properties of Isotopes

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