€or paLsjap eo! 24d ErisOe LSBwOEE SE a aeMee ‘wrk ue Ue DR ® i . S a tot he ved A tg i fr '« part é xe Seo ® Figure 3.28 Photomicrographof slurryparticle reaction area and insoluble solids. Figure 3.29 Electronmicrograph of slurry-particle insoluble solids.