[HTML][HTML] Arsenic in Africa: potential sources, spatial variability, and the state of the art for arsenic removal using locally available materials

R Irunde, J Ijumulana, F Ligate, JP Maity… - Groundwater for …, 2022 - Elsevier
During the past two decades, several studies on arsenic (As) occurrence in the environment,
particularly in surface and groundwater systems have reported high levels of As in many …