Environmental Engineering Reference
In-Depth Information
Table 8.5
(continued)
Concentration (mg/kg
dw
)in
Solution
concentration
(
Other
conditions
Stem or
shoot
Element
μ
g/L)
Plant species
Roots
Leaves
Tubers
R/S
References
Se(IV)
158
2
μ
M P
Ryegrass
632
197
3.0
Hopper and Parker
(
1999
)
μ
158
2
M P
Strawberry
Clover
537
55
9.7
μ
395
2
M P
632
70
9.0
395
200
μ
M P
434
79
5.5
0.5 mM SO
4
2-
Se(VI)
395
Ryegrass
395
592
0.7
0.5 mMSO
4
2
−
395
Strawberry
Clover
237
553
0.4
0.5 mMSO
4
2
−
790
395
908
0.4
5 mM SO
4
2
−
790
39
71
0.6
a
Not added to exposure solution; measured concentration below detection limit for Pb and Hg
b
The added concentration was 5,000
μ
g/L, but the measured concentration was only 620
μ
g/L, presumably due to precipitation of lead phosphates
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