Technical development and optimisation of a passive sampler based on polymer inclusion membrane for uptake of copper, nickel, cobalt and cadmium in surface waters

Nthabiseng Motsoane, Kgomotso Maiphetlho, Somandla Ncube, Heidi Richards, Izak A. Kotzé, Hlanganani Tutu, Ewa Cukrowska, Luke Chimuka