Fig. 5.
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Fig. 5.
Variations of As concentration and fractionation in Okdong soil (a) before and (b) after column experiments.
Econ. Environ. Geol. 2022;55:209-17
https://doi.org/10.9719/EEG.2022.55.2.209
© 2022 Econ. Environ. Geol.