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Protactinium profile data

decay rate

4.02E-11

/min

Pacific Ocean 12° 00' N, 152° 30' E

Depth (m)

231Pa (amol/kg)

231Pa dpm/1000kg

98

4.54

0.11

394

3.72

0.09

500

4.13

0.10

692

14.87

0.36

980

14.45

0.35

1494

16.93

0.41

2493

19.41

0.47

3482

23.54

0.57

4505

17.76

0.43

5589

19.00

0.46

5870

14.87

0.36

Nozaki, Y., and Nakanishi, T., 1985. 231-Pa and 230-Th profiles in the open ocean water column.

Deep-Sea Res., 32, 1209-1220.