Nickel dynamics and immobilization in soil-bauxite residue systems: insights from sequential extraction and FTIR analysis. - Zafeiriou, Ioannis; Ioannou, Dafni; Aggelopoulos, Panagiotis; Georgiou, Evgenia; Gasparatos, Dionisios; Massas, Ioannis (Environmental Science & Pollution Research, 2025)