Fig. 7From: Direct Probing of Dispersion Quality of ZrO2 Nanoparticles Coated by Polyelectrolyte at Different Concentrated Suspensions a, b ζ-potential (a) and ESA signal (m.Pa.mV−1) (b)–dependence on pH for ZrO2 nanosuspensions at a particle volume of 2 %, with and without the addition of optimum 1.4 mass% (red curve) and insufficient 1.0 mass% (blue curve) amounts of dispersant. Symbol white star shows isoelectric pointBack to article page