Table 1. Quality characteristics of loess
Samples | Moisture(%) | Mold inhibit effect(g/30 mL) | Heavy metal (mg/L) |
Pb | Cd | As | Hg | Sn | Cr | Cu |
LL1) | 3.48±0.28a2)3) | 0.59±0.00c | 0.024±0.009d | - | - | - | 0.027±0.007a | 0.184±0.001b | 0.198±0.001a |
RL | 1.56±0.06b | 0.57±0.00d | 0.071±0.010b | - | - | - | 0.027±0.004a | 0.202±0.001a | 0.154±0.002c |
YL | 0.95±0.04c | 0.60±0.01b | 0.161±0.005a | - | - | - | 0.001±0.001b | 0.072±0.001e | 0.147±0.000d |
WL | 0.22±0.02d | 0.56±0.01d | 0.044±0.010c | - | - | - | 0.012±0.010b | 0.096±0.001c | 0.125±0.001e |
BL | 3.31±0.10a | 0.59±0.00c | 0.050±0.009c | - | - | - | - | 0.091±0.001d | 0.162±0.001b |
BT | -4) | 0.61±0.00a | - | - | - | - | - | - | - |
1)LL, Laterite; RL, Red loess; YL, Yellow ocher; WL, White clay; BL, Black soil; BT, Blank test.
2)All values are mean±SD.
3)Means in the same column followed by different uppercase letters are significantly different (p<0.05, a>b>c>d>e).
4)Not tested or not detected.