Solid-phase partitioning and release-retention mechanisms of copper, lead, zinc and arsenic in soils impacted by artisanal and small-scale gold mining (ASGM) activities

Carlito Baltazar Tabelin, Marthias Silwamba, Florifern C. Paglinawan, Alissa Jane S. Mondejar, Gia Duc Ho, Vannie Joy T. Resabal, Einstine M. Opiso, Toshifumi Igarashi, Shingo Tomiyama, Mayumi Ito, Naoki Hiroyoshi, Mylah Villacorte-Tabelin