Graphene Oxide-Chitosan Composite for Efficient Adsorptive Removal of Cu(II), Co(II), and Ni(II) from Simulated E‑Waste Effluents

氧化石墨烯-壳聚糖复合材料高效吸附去除模拟电子废弃物中的Cu(II)、Co(II)和Ni(II)