| |
Pb |
Cd |
Cr |
Zn |
Cu |
Ni |
| FA1 |
0.3254 (0.070)* |
0.1323 (0.0254) |
0.2464 (0.0735) |
0.1422 (0.0077) |
0.0483 |
(0.0028) |
0.2293 (0.0585) |
| FA2 |
0.2868 (0.1005) |
0.3033 (0.0291) |
0.4725 (0.2133) |
4.7465 (1.230) |
0.2859 |
(0.1407) |
0.2851 (0.0753) |
| FA3 |
0.3106 (0.0786) |
0.1361 (0.0195) |
0.2491 (0.0128) |
0.0758 (0.0034) |
0.1109 |
(0.0136) |
0.1973 (0.0141) |
| S1 |
0.0243 (0.0151) |
0.0865 (0.0044) |
BDL |
5.9382 (0.011) |
1.533 |
(0.026) |
0.0504 (0.0236) |
| S2 |
BDL |
BDL |
BDL |
0.0843 (0.0098) |
0.2972 |
(0.0221) |
0.308 (0.0258) |
| S3 |
0.4946 (0.1657) |
0.0559 (0.0397) |
0.1067 (0.0622) |
0.0537 (0.0238) |
0.0544 |
(0.0236) |
0.0763 (0.0388) |
| China limit |
3 |
0.3 |
10 |
50 |
50 |
10 |
BDL-below detection limit
*Values in parentheses are standard deviation of means of triplicate |
