Table 1
Metal Ions in Rhine River and in Soils
Pb
Zn
Cu
Cr
Ni
Cd
Hg
Ag
Rhine
after Kölle et al. (6)
Rhine
after Martin et al.
Soils
after Wedepohl
"soluble" (filtrable)
Mg/1 *
suspended matter
mg/kg
mg/kg
3.2
26
8.6
0.05
2.1
7**
2.4** 2.9**
1637
2200
791
1148 234
12
50
20
190
40
* Median values
** Arithmetic mean
Trace Metals in Natural Waters