Platinum profile data

Pacific Ocean 33° N, 139° W

Indian Ocean 6° 09' S, 50° 54' E

Atlantic

Depth (m)

Pt (pmol/L)

Depth (m)

Pt (pmol/L)

Depth (m)

Pt (pmol/kg)

60

0.46

5

1.60

130

0.69

45

1.30

200

0.62

105

1.10

315

0.69

200

0.80

450

0.74

650

0.83

700

0.77

880

0.30

800

0.80

1506

0.33

1500

0.89

2003

0.41

2000

0.94

2850

0.51

3000

1.10

3451

0.37

4500

1.17

4050

0.43

4650

0.39

4855

0.36

Pacific:

Goldberg, E. D., Hodge, V., Kay, P., Stallard, M., and Koide, M., 1986. Some

comparative marine chemistries of platinum and iridium. Appl. Geochem. 1: 227-232.

Indian:

Jacinto, G. S. and van den Berg, C. M. G., 1989. Different behavior of platinum in the

Indian and Pacific Oceans. Nature 338: 332-334.

Atlantic:

Colodner, D. C., Boyle, E. A., and Edmond, J. M., 1993. Determination of

rhenium and platinum in natural waters and sediments, and

iridium in sediments by flow injection isotope dilution inductively coupled

plasma mass spectrometry. Anal. Chem. 65: 1419-1425.