Mediciones de potencial zeta de microespferas de vidrio en glicol de etileno y en soluciones tampón de fosfato
2007
This report covers the procedure and results obtained by measuring zeta potential (?) of glass microspheres in phosphate buffers and ethylene glycol. Zeta potential was measured using the NICOMP ZLS 388 which employs electrophoretic light scattering. Zeta potential in ethylene glycol-water solutions was measured between -63 and -68 mV. The measured zeta potential of glass
microspheres in phosphate buffer solutions varied between -60 and -110 mV. The obtained results are compared with similar published results for ethylene glycol and buffer solutions. Also discussed are the difficulties associated with
measuring the zeta potential.
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