Temperatures of water (˚C)

Ac (222Rn)

Ac (218Po)

Ac (214Pb)

Ac (214Bi)

Ac (214Po)

F

20

897.67

653.63

419.72

370.00

370.00

0.47

25

714.84

544.51

367.10

324.19

324.19

0.51

30

709.15

541.45

359.24

335.13

335.13

0.53

35

688.76

535.12

348.38

325.81

325.81

0.54

40

418.59

335.95

238.95

211.03

211.03

0.56