Aim: To aid the theoretical modeling of the rheological data.
Viscosity of PEO solutions
Used to calculate zeta-potentials.
Samples: PEG 35k aqueous solutions at cp = 0, 0.063, 0.1, 0.25, 0.4, 0.63, 0.8, 1.0 wt%
Instrument: AR-G2
DLS and zeta-potential measurement
Procedure: yet to determine.
- Principles of zeta-potential measurement?
- http://goo.gl/aQVDU
- http://goo.gl/CQtD1
- http://goo.gl/HXNwJ
- How dilute must the samples be?
- Make sure everything is ready: filters, syringes, cuvettes, etc.
Samples: Neat Laponite suspension, Laponite/PEG suspension with PEG 35k of cp = 0.063, 0.1, 0.25, 0.4, 0.63, 0.8, 1.0 wt%
Instrument: Malvern Zetasizer nano zs90