Pb (II) Ion Removal from Aqueous Solutions by Adsorption Using Polypyrrole/Poly (Para Nitroaniline)/Poly (Para Hydroxyaniline) Applications of Composites in Soil Technology. AJLLLSE [Internet]. 2026 Jan. 16 [cited 2026 Jan. 26];4(1):121-6. Available from: https://grnjournal.us.e-scholar.org/index.php/STEM/article/view/8978