Table 7 The geoaccumulation index and classification grade of Fe and Mn in sediments at different sampling sites.
From: Characterization and evaluation of Fe2+ and Mn2+ in reservoirs and sediments in the Jianghuai Region
Sampling point | Mn | Fe |
|---|---|---|
Da 1 | − 0.07/Ⅰ | − 0.61/Ⅰ |
Da 2 | − 0.58/Ⅰ | − 0.58/Ⅰ |
Da 3 | 0.35/Ⅱ | − 0.92/Ⅰ |
Da 4 | 0.48/Ⅱ | − 0.59/Ⅰ |
Da 5 | 0.38/Ⅱ | 0.01/Ⅱ |
Mo 1 | − 0.58/Ⅰ | − 1.00/Ⅰ |
Mo 2 | − 0.50/Ⅰ | − 0.58/Ⅰ |
Mo 3 | 0.25/Ⅱ | − 0.22/Ⅰ |
Mo 4 | − 1.78/Ⅰ | − 0.57/Ⅰ |
Mo 5 | − 0.34/Ⅰ | − 1.33/Ⅰ |
Mo 6 | − 0.43/Ⅰ | − 0.65/Ⅰ |
Dong 1 | − 0.08/Ⅰ | 0.16/Ⅱ |
Dong 2 | − 0.36/Ⅰ | − 0.40/Ⅰ |
Dong 3 | − 0.16/Ⅰ | − 0.41/Ⅰ |
Dong 4 | − 0.58/Ⅰ | − 0.58/Ⅰ |
Dong 5 | 0.13/Ⅱ | 0.21/Ⅱ |
Dong 6 | 0.04/Ⅱ | − 0.26/Ⅰ |
Zhong 1 | 0.13/Ⅱ | 0.10/Ⅱ |
Zhong 2 | − 0.59/Ⅰ | 0.15/Ⅱ |
Zhong 3 | − 0.21/Ⅰ | 0.31/Ⅱ |
Zhong 4 | 0.81/Ⅰ | − 0.31/Ⅰ |
Zhong 5 | − 0.58/Ⅰ | − 0.58/Ⅰ |
Zhong 6 | 0.16/Ⅱ | − 0.63/Ⅰ |
