Figure 4. pH variation of prepared potash as a function of ash concentration

From

Removal of Iron from Groundwater by Ash

Bouwèdèo Toi Bissang, Ogouvidé Akpaki, Gnon Baba

Journal of Environment Pollution and Human Health. 2023, 11(1), 8-12 doi:10.12691/jephh-11-1-2