Element

Absorption factor %

Suggested

value

Comments/conditions

Cd

3-8, 4.7-7

6

Influenced by Ca²⁺and Zn²*

Hg Inorg.

7,15,8-20

10

protein content and solubility of Cd compounds. Vaues for Hg²". The Hg* is

Hg Org.

>80, 95, -100

100

poorly absorbed because of Iow solubility.

Almost completely absorbed

In

Tl

<5

>70,33, -100

80

because soluble in fats.

Rapid and complete absorption

Pb adult

7,10

10

for soluble species.

Influenced by diet and fasting.

Pb infant

25-53,50

40

Influenced by diet and fasting.

As

-100,5-25

High absorption for anionie and

Sb

3-80,50,80

soluble species, Iow for insoluble species. Similar to arsenie.

Bi

<5,8

6

Soluble compounds morę

Se

>70, 33-80

80

readily absorbed.

Value for anionie soluble

Te

25,47,88

species, insoluble compounds poorly absorbed.

For water soluble species.

Source*

Intake

Lead

intake

*igd-^ł

Absorpt.

factor

Lead uptake Hg d’¹

% of total

No Inelude smoking smoking

Adults

T

Air

22 m³

11

0.4

4.4

21.1

16.4

Food

1.5 kg

150

0.1

15.0

71.8

55.8

Water

1.51

15

0.1

1.5

7.2

5.6

Smoking

30 cigs.

15

0.4

6.0

22.3

Total (including smoking)

191

26.9

Total (excluding smoking)

176

20.9

Children

No

Inelude

dust

dust

Air

6.5 m³

3.3

0.4

1.3

13

1.6

Food

1.0 kg

100

0.5

50

88.8

61.5

Water

1.01

10

0.5

5

8.9

6.2

Dust

50 mg

50

0.5

25

30.8

Total (including dust)

163.3

81.3

Total (excluding dust)

113.3

56.3