Fig. 7From: A Facile Approach for the Preparation of Nano-size Zinc Oxide in Water/Glycerol with Extremely Concentrated Zinc SourcesSEM images of ZnO nanoparticles obtained from 65% ZnCl2 aqueous solution by reactivity with various hydroxides (a, NaOH; b, KOH; c, LiOH; d, NH4OH)Back to article page