Table 4.

Interfacial tension of internal phase and external phase and the calculated dewetting of ibuprofen crystal at different times of evaporation (n=3)

Time (hours)	Interfacial tension (γOW) (mN/m−1 ± SD)	Contact angle of internal phase on ibuprofen plate (θO) (° ± SD)	Dewetting value
8	8.41±0.13	20.46±0.79	7.88
16	7.94±0.04	22.65±1.20	7.32
24	7.80±0.08	30.71±1.31	6.71
32	7.45±0.10	36.03±1.16	6.03
40	6.87±0.10	40.31±1.54	5.24
48	6.40±0.09	41.35±1.52	4.80

Abbreviation: SD, standard deviation.