Abstract
Morphology of particles formed from the evaporation of solution droplets is examined. It is concluded that evaporation of solution droplets leads to initial shell formation. Final particle size, shape and structure are affected by rate of evaporation of the solution droplet and mass of solute present. Conditions conducive to solid particle formation include a nuclei-free environment, a high solubility solute and low drying rates. The frequent formation of non-solid particles necessitates the use of electron microscopy in particle size, shape and density verification.
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