Figure 8.
Scanning electron micrographs of (a) untreated, and treated ibuprofen powders in: (b) absence of additives, (c) presence of 5% PEG 8000, (d) presence of 5% PEG 6000, (e) in the presence of 5% Brij 98P, (f) presence of 5% PVA22000.
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