06 January 2021 3 2K Report

I measured the size of nanobubbles using Malvern zetasizer ZS. Due to the unreliability of the average size (polydispersity index is high > 0.5 but < 0.1 is the acceptable value), I have to choose the size at the peak in the Intensity size distribution. In some cases, multiple peaks are obtained and this causes ambiguity in choosing the correct size For example, the average size of my sample is 1.5 microns (expected size

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