2.3. Droplet size measurements
The droplet size distribution and droplet size average, zav, was
measured using a dynamic light scattering technique (HPPS
5001, Malvern, UK) at a scattering angle of 173 using a 633 nm laser
with each measurement being the average of at least 11 runs.
The samples were diluted with the continuous phase, so in most
cases this was sunflower oil, and then measured immediately after
dilution. The samples were diluted to give a scattering intensity of
less than 500 cps (0.0075 wt.%) to avoid effects of multiple
scattering.
The refractive indices of the materials were measured using a
Rudolph research refractometer J357 (New Jersey, USA).
2.3. Droplet size measurementsThe droplet size distribution and droplet size average, zav, wasmeasured using a dynamic light scattering technique (HPPS5001, Malvern, UK) at a scattering angle of 173 using a 633 nm laserwith each measurement being the average of at least 11 runs.The samples were diluted with the continuous phase, so in mostcases this was sunflower oil, and then measured immediately afterdilution. The samples were diluted to give a scattering intensity ofless than 500 cps (0.0075 wt.%) to avoid effects of multiplescattering.The refractive indices of the materials were measured using aRudolph research refractometer J357 (New Jersey, USA).
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