Element

Content of chemical elements, mg/kg dry weight^*

Danger Bay

Saldanha Bay

Mediterranean mussel

Mediterranean mussel

Pacific oyster

Soft tissue

Shell

Soft tissue

Shell

Soft tissue

Shell

Sc

0.008 ± 0.001¹

0.004 ± 0.001

0.02 ± 0.002^1.3

0.002 ± 0.0004

0.02 ± 0.002

0.12 ± 0.007^1.4

V

0.5 ± 0.08¹

0.3 ± 0.04

0.3 ± 0.1

0.3

0.7 ± 0.03^1.4

Cr

1.6 ± 0.2^1.3

0.5 ± 0.08

1.03 ± 0.2

0.6 ± 0.1

2.5 ± 0.5^1.5

1.2 ± 0.06⁴

Mn

321 ± 22^1.3

81 ± 1.9

194 ± 4

258 ± 5^1.2.4

829 ± 24^1.5

17 ± 0.9

Fe

178 ± 12^1.3

66 ± 8

134 ± 2

73 ± 3

412 ± 36^1.5

313 ± 10⁴

Co

15.4 ± 0.5^1.3

1.6 ± 0.05

12.8 ± 0.1

4.7 ± 0.2^2.4

112 ± 7.3^1.5

0.2 ± 0.02

Zn

96 ± 3¹

1.5 ± 0.5

108 ± 0.7³

1.5 ± 0.1

476 ± 7^1.5

9.6 ± 0.6⁴

As

5.2 ± 0.51

0.2 ± 0.03

6.0 ± 0.07

0.3 ± 0.07

7.7 ± 0.6^1.5

0.293

Se

1.3 ± 0.1¹

1.3 ± 0.09

1.5 ± 0.009⁵

Br

148 ± 5.5^1.3

33 ± 0.5

94 ± 0.4

110 ± 3^1.2.4

127 ± 9.5^1.5

25 ± 0.9

Rb

4 ± 0.05¹

3.9 ± 0.2⁵

2.1 ± 0.3^1.5

1.1 ± 0.1⁴

Sr

88 ± 1.4^2.3

958 ± 31¹

18.5 ± 0.9

806 ± 12¹

45 ± 5.0⁵

762 ± 25¹

Mo

1.4 ± 0.3^1.3

0.6 ± 0.09

0.8 ± 0.09^1.5

Ag

0.09 ± 0.04^1.3

0.02 ± 0.004

0.06 ± 0.008

0.2 ± 0.01^1.5

0.04

Sb

0.02 ± 0.003¹

0.03 ± 0.007^1.2

0.02 ± 0.003¹

I

5.6 ± 0.1^1.3

4.2 ± 0.2

4.3 ± 0.06

8.3 ± 0.2²

10.9 ± 0.4⁵

11.6 ± 0.6^.4

Ba

4.7 ± 0.61¹

4.3 ± 0.1¹

4.1 ± 1.7¹

La

0.6 ± 0.03^1.4

Ce

1.0 ± 0.05^1.4

Sm

0.08 ± 0.004^1.4

Eu

0.009 ± 0.001^1.4

Hf

0.04 ± 0.006⁵

0.03 ± 0.004

Ta

0.01 ± 0.001^1.4