SEM micrograph of lecithin-nano Ni/Fe.
Shu Ding, Lin Zhao, Yun Qi, Qian-qian Lv
CC BY 4.0
Shu Ding et. al. "Preparation and Characterization of Lecithin-Nano Ni/Fe for Effective Removal of PCB77", Journal of Nanomaterials <a rel="nofollow" class="external text" href="https://doi.org/10.1155/2014/678489">doi:10.1155/2014/678489</a>