Economic and Environmental Geology

Fig. 4.

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Fig. 4. Determination of pHPZC(point of zero charge) of adsorbents; (a) ABA-500(3mm), (b) ABA-500(granule) and (c) GFH.
Econ. Environ. Geol. 2021;54:689-98 https://doi.org/10.9719/EEG.2021.54.6.689
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