元素 | 矿区影响区域土壤重金属含量 | 福建土壤背景值(mg/kg)[11] [14] | 中国土壤平均值(mg/kg) | |||
范围(mg/kg) | 均值 | 标准偏差 | 变异系数 | |||
Cr | 5.733~193.627 | 80.440 | 41.988 | 74.32% | 20.5 | 65 |
As | 0.985~31.95 | 7.894 | 5.793 | 73.40% | 2.5 | 10 |
Cu | 3.511~307.500 | 34.381 | 45.008 | 130.91% | 10.4 | 24 |
Zn | 92.740~3069.712 | 369.588 | 505.259 | 136.71% | 82.7 | 68 |
Cd | 0.609~91.085 | 12.786 | 14.136 | 110.56% | 0.05 | 0.09 |
Pb | 17.594~5100.592 | 368.531 | 873.627 | 237.06% | 34.9 | 23 |
Hg | 0.0107~1.236 | 0.124 | 0.128 | 102.61% | 0.03 | 0.04 |