Summary table of mean ocean concentrations and residence times

Atomic #

Element

Mean Ocean

Atomic Mass

Mean Ocean

Mean Ocean

UNIT

Residence Time

Conc.

Conc.

Conc

    yrs

ng/kg

g/mol

nmol/kg

Rational Units

1

H+

1.20E+01

12

nmol/kg

2

He

7.60E+00

4.0026

1.90E+00

1.9

nmol/kg

3

Li

1.80E+05

6.9410

2.59E+04

25.9

µmol/kg

2,800,000

4

Be

2.10E-01

9.0122

2.33E-02

23

pmol/kg

1,000

5

B

4.50E+06

10.8110

4.16E+05

416

µmol/kg

9,600,000

6

C

2.70E+07

12.0110

2.25E+06

2.248

mmol/kg

83,000

7

N2

8.30E+06

14.0067

5.93E+05

590

µmol/kg

7

NO3

4.20E+05

14.0067

3.00E+04

30

µmol/kg

3,000

8

O2

2.80E+06

15.9994

1.75E+05

175

µmol/kg

9

F

1.30E+06

18.9984

6.84E+04

68

µmol/kg

500,000

10

Ne

1.60E+02

20.1797

7.93E+00

7.9

nmol/kg

11

Na

1.08E+10

22.9898

4.69E+08

469

mmol/kg

55,000,000

12

Mg

1.28E+09

24.3050

5.27E+07

52.7

mmol/kg

13,000,000

13

Al

3.00E+01

26.9815

1.11E+00

1.11

nmol/kg

200

14

Si

2.80E+06

28.0855

9.97E+04

99.7

µmol/kg

20,000

15

PO4

6.20E+04

30.9738

2.00E+03

2

µmol/kg

69,000

16

SO4–

8.98E+08

32.0660

2.80E+07

28

mmol/kg

8,700,000

17

Cl-

1.94E+10

35.4527

5.46E+08

546

mmol/kg

87,000,000

18

Ar

6.20E+05

39.9480

1.55E+04

15.5

µmol/kg

19

K

3.99E+08

39.0983

1.02E+07

10.2

mmol/kg

12,000,000

20

Ca

4.12E+08

40.0780

1.03E+07

10.27

mmol/kg

1,100,000

21

Sc

7.00E-01

44.9559

1.56E-02

16

pmol/kg

22

Ti

6.50E+00

47.8800

1.36E-01

136

pmol/kg

150

23

V

2.00E+03

50.9415

3.93E+01

39

nmol/kg

50,000

24

Cr(VI)

2.10E+02

51.9960

4.04E+00

4

nmol/kg

8,000

25

Mn

2.00E+01

54.9380

3.64E-01

360

pmol/kg

60

26

Fe

3.00E+01

55.8470

5.37E-01

540

pmol/kg

500

27

Co

1.20E+00

58.9332

2.04E-02

20

pmol/kg

340

28

Ni

4.80E+02

58.6934

8.18E+00

8.2

nmol/kg

6,000

29

Cu

1.50E+02

63.5460

2.36E+00

2.4

nmol/kg

5,000

30

Zn

3.50E+02

65.3900

5.35E+00

5.4

nmol/kg

50,000

31

Ga

1.20E+00

69.7230

1.72E-02

17

pmol/kg

500

32

Ge

5.50E+00

72.6100

7.57E-02

75

pmol/kg

20,000

33

As

1.20E+03

74.9216

2.00E+01

20

nmol/kg

39,000

34

Se

1.55E+02

78.9600

1.96E+00

1.9

nmol/kg

26,000

35

Br

6.70E+07

79.9040

8.39E+05

840

µmol/kg

130,000,000

36

Kr

3.10E+02

83.8000

3.70E+00

3.7

nmol/kg

37

Rb

1.20E+05

85.4678

1.40E+03

1.4

µmol/kg

3,000,000

38

Sr

7.80E+06

87.6200

8.90E+04

89

µmol/kg

5,100,000

39

Y

1.70E+01

88.9059

1.91E-01

190

pmol/kg

5,100

40

Zr

1.50E+01

91.2240

1.64E-01

160

pmol/kg

5,600

41

Nb

5.00E+00

92.9064

5.38E-02

3.8

pmol/kg

42

Mo

1.00E+04

95.9400

1.04E+02

100

nmol/kg

760,000

43

Tc

44

Ru

5.00E-03

101.0700

4.95E-05

<49

fmol/kg

45

Rh

8.00E-02

102.9055

7.77E-04

780

fmol/kg

46

Pd

6.00E-02

106.4200

5.64E-04

560

fmol/kg

10,000

47

Ag

2.00E+00

107.8680

1.85E-02

18

pmol/kg

48

Cd

7.00E+01

112.4100

6.23E-01

620

pmol/kg

50,000

49

In

1.00E-02

114.8200

8.71E-05

87

fmol/kg

100

50

Sn

5.00E-01

118.7100

4.21E-03

4.2

pmol/kg

4

51

Sb

2.00E+02

121.7570

1.64E+00

1.6

nmol/kg

5,700

52

Te

7.00E-02

127.6000

5.49E-04

550

fmol/kg

100

53

I

5.80E+04

126.9045

4.57E+02

460

nmol/kg

340,000

54

Xe

6.60E+01

131.2900

5.03E-01

500

pmol/kg

55

Cs

3.06E+02

132.9054

2.30E+00

2.3

nmol/kg

330,000

56

Ba

1.50E+04

137.3300

1.09E+02

109

nmol/kg

10,000

57

La

5.60E+00

138.9055

4.03E-02

40

pmol/kg

1,000

58

Ce

7.00E-01

140.1200

5.00E-03

5

pmol/kg

100

59

Pr

7.00E-01

140.9077

4.97E-03

5

pmol/kg

500

60

Nd

3.30E+00

144.2400

2.29E-02

23

pmol/kg

600

61

Pm

62

Sm

5.70E-01

150.3600

3.79E-03

3.8

pmol/kg

700

63

Eu

1.70E-01

151.9650

1.12E-03

1.1

pmol/kg

600

64

Gd

9.00E-01

157.2500

5.72E-03

5.7

pmol/kg

800

65

Tb

1.70E-01

158.9253

1.07E-03

1.1

pmol/kg

800

66

Dy

1.10E+00

162.5000

6.77E-03

6.8

pmol/kg

1,000

67

Ho

3.60E-01

164.9303

2.18E-03

2.2

pmol/kg

2,700

68

Er

1.20E+00

167.2600

7.17E-03

7.2

pmol/kg

2,700

69

Tm

2.00E-01

168.9342

1.18E-03

1.2

pmol/kg

5,000

70

Yb

1.20E+00

173.0400

6.93E-03

6.9

pmol/kg

2,200

71

Lu

2.30E-01

174.9670

1.31E-03

1.3

pmol/kg

6,200

72

Hf

3.40E+00

178.4900

1.90E-02

0.71

pmol/kg

1,300

73

Ta

2.50E+00

180.9479

1.38E-02

0.2

pmol/kg

74

W

1.00E+01

183.8500

5.44E-02

54

pmol/kg

61,000

75

Re

7.80E+00

186.2070

4.19E-02

41

pmol/kg

76

Os

2.00E-03

190.2000

1.05E-05

56

fmol/kg

40,000

77

Ir

1.30E-04

192.2200

6.76E-07

680

amol/kg

2,000

78

Pt

5.00E-02

195.0800

2.56E-04

250

fmol/kg

79

Au

9.85E-03

196.9665

5.00E-05

50

fmol/kg

380

80

Hg

1.40E-01

200.5900

6.98E-04

700

fmol/kg

350

81

Tl

1.30E+01

204.3830

6.36E-02

64

pmol/kg

82

Pb

2.70E+00

207.2000

1.30E-02

13

pmol/kg

80

83

Bi

3.00E-02

208.9804

1.44E-04

140

fmol/kg

84

Po

3.00E-11

30

zmol/kg

100

85

At

86

Rn

3.00E-12

3

zmol/kg

0.01

87

Fr

88

Ra

1.30E-04

226.0254

5.75E-07

580

amol/kg

89

Ac

2.00E-11

20

zmol/kg

90

Th

2.00E-02

232.0381

8.62E-05

90

fmol/kg

45

91

Pa

231.0359

1.80E-08

18

amol/kg

200

92

U

3.20E+03

238.0290

1.34E+01

13.4

nmol/kg

400,000