贵州典型重金属高背景区耕地土壤重金属生态风险评价
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王惠艳, 彭敏, 马宏宏, 张富贵
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Ecological risk assessment of cultivated land in typical areas with high heavy metal background values in Guizhou Province
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WANG Hui-Yan, PENG Min, MA Hong-Hong, ZHANG Fu-Gui
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表2 元素分析质量统计
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Table 2 Statistical of the elements analytical quality
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| 元素 | 分析质量 | 土壤 | | 全量 | 水溶态 | 离子交
换态 | 碳酸盐
结合态 | 腐殖酸
结合态 | 铁锰结
合态 | 强有机
结合态 | 残渣态 |
As | RE/% | 3.33 | 5.56 | -3.87 | 9.85 | 7.67 | -4.41 | 10.71 | -7.74 | | RSD/% | 5.15 | 9.12 | 3.34 | 10.26 | 4.61 | 7.93 | 9.73 | 5.43 |
Cd | RE/% | 2.48 | -6.52 | 5.63 | -2.42 | -1.59 | 4.64 | -3.45 | 6.63 | | RSD/% | 7.60 | 4.02 | 3.65 | 3.29 | 0.81 | 1.79 | 5.38 | 5.18 |
Cu | RE/% | 6.42 | 0.104 | 2.833 | -5.75 | -3.056 | 2.875 | 2.458 | -1.786 | | RSD/% | 1.53 | 4.14 | 5.24 | 28.16 | 3.67 | 2.45 | 2.98 | 3.01 |
Pb | RE/% | 4.38 | -0.737 | -2.024 | -5.621 | 5.536 | 2.639 | -9.574 | 0.067 | | RSD/% | 3.16 | 3.41 | 3.86 | 3.47 | 4.15 | 3.68 | 8.83 | 2.17 |
Zn | RE/% | 3.82 | 3.1 | -5.96 | 2.57 | 3.83 | -4.06 | 5.07 | 3.17 | | RSD/% | 1.22 | 6.84 | 6.67 | 3.59 | 5.32 | 4.86 | 3.29 | 5.11 |
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