Figure 3. Microscopic images of the covered-slip foam film made using (a) 0.02% alpha olefin sulfonate (AOS) + 6.7% brine and (b) 0.01 % CND + 0.02 % AOS + 6.7 % brine at 298 K (10X magnification images in a Leica microscope) [45]

From

Enhancing the Aqueous foam Stability Using Nanoparticles: A Review

Ketan Jangir, Umesh Kumar, Naveen Kumar Suniya, Naginder Singh, Kapil Parihar

World Journal of Chemical Education. 2022, 10(2), 84-90 doi:10.12691/wjce-10-2-5