Table 1.
Biosorption of cyanophos by plantago major L. on a dry weight basis after 4 hours exposure
|
Concentrations in water (μg/mL) ±*S.D. |
Concentrations in water (μg/mL) and adsorption on a dry weight basis |
Significantly |
|||||
|---|---|---|---|---|---|---|---|
| |
Roots |
Leaves |
Fruits (seeds with shells) |
|
|||
| (μg/mL) ± * S.D. | (μg/g) | (μg/mL) ± * S.D. | (μg/g) | (μg/mL) ±*S.D. | (μg/g) | ||
| 34.07 ± 1.0(a) |
15.17 ± 0.67(b) |
2890 |
11.43 ±0.5(c) |
652.8 |
12.12 ± 0.39(c) |
798.75 |
*** |
| 17.89 ±0.34 |
8.43 ± o.45(b) |
946 |
2.23 ±0.13(c) |
313.2 |
2.50 ±0.23(c) |
384.75 |
*** |
| 9.10 ±0.1 |
4.15 ±0.13(b) |
495 |
0.91 ±0.08(c) |
182.8 |
0.92 ±0.03(c) |
204.5 |
*** |
| 4.47 ± 0 .13 |
2.23 ± .05(b) |
224 |
0.092 ± 0.01(c) |
87.56 |
0.074 ± 0.002(c) |
109.9 |
*** |
| 0.91 ±0.01 |
Undetected |
90.0 |
Undetected |
18.2 |
Undetected |
22.8 |
*** |
| Freundlich parameters | |||||||
|
1Kf |
76.91 |
21.09 |
26.18 |
||||
|
1an-1 |
0.896 |
0.928 |
1.047 |
||||
| 1bR2 | 0.971 | 0.997 | 0.921 | ||||
*SD, standard deviation; 1Kf, adsorption capacity (ug/g); 1an-1, intensity of adsorption; 1bR2, the correlation coefficient.
*P< 0.01, ***P< 0.001.