Economic and Environmental Geology

Fig. 6.

Download original image
Fig. 6. Concentration of As in Okdong soil by sequential extraction after column test.
Econ. Environ. Geol. 2022;55:209-17 https://doi.org/10.9719/EEG.2022.55.2.209
© 2022 Econ. Environ. Geol.