1.

Asource contains two phosphorous radio nuclides (T1/2=14.3d) and (T1/2= 25.3d). Initially, 10% of the decays come from.How long one must wait until 90% do so?

Answer»

A
source contains two phosphorous radio nuclides

(
T1/2
=

14.3d) and

(T1/2
= 25.3d). Initially, 10% of the decays come from
.
How long one must wait until 90% do so?



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