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Halveringstid og henfaldskonstant<br />

–eksempler k l<br />

Radionuklid T 1/2 <br />

14 C 5700 a 1.216 × 10 -4 a -1<br />

36 Cl 3.01 × 10 5 a 2.303 × 10 -6 a -1<br />

86 Rb 18.631 d 0.0372 d -1<br />

ln 2 0.693<br />

<br />

T T<br />

1/2 1/2<br />

2013 Isotopteknik, F04 (JG) 9

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