Pengujian Model Persamaan Sigmoidal Chapman Pada Kesetimbangan Adsorpsi Ion P…

ABSTRACT The lead (Pb) is one heavy metal that is extremely harmful to human health and is a metal element that cannot be dissolved by natural processes. Adsorption is a technology for separating dissolved metal ions ini liquid waste which is easy to handle and very effective. One type of adsorben that has potential and is being developed is hydroxyapatite (Hap). The purpose of this study …