Modern Bt Techniques - Florence 2016

Activity

• Molar mass of 226 Ra is 226,02 g/mol • T 1/2 of decay for 226 Ra is 1600 a

• Thus considering 1a = 365x24x60x60s

A = 6,022 x10 23 mol -1 (Avogadro-Number)

• and N

spec for 226 Ra is 3,7x10 10 Bq/g = 37GBq/g =1Ci/g

• A