Nanobubble clusters of dissolved gas in aqueous solutions of electrolyte. I. Experimental proof

2012 
Results of experiments with dynamic light scattering, phase microscopy, and polarimetric scatterometry allow us to claim that long-living gas nanobubbles and the clusters composed of such nanobubbles are generated spontaneously in an aqueous solution of salt, saturated with dissolved gas (say, atmospheric air). The characteristic sizes of both nanobubbles and their clusters are found by solving the inverse problem of optical wave scattering in ionic solutions. These experimental results develop our earlier study reported by Bunkin et al. [J. Chem. Phys. 130, 134308 (2009)]10.1063/1.3095476 and can be treated as evidence for the special role of ions in the generation and stabilization of gas nanobubbles.
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