Table 2.

Evaluation parameters for VAL liquid filling formulations (n = 3).

Formulations	Appearance	pH (mean ± SD)	Drug content (%) (mean ± SD)	Viscosity (cps) (mean ± SD)
F1	Clear	6.02 ± 0.21	98.63 ± 0.45	62.8 ± 0.10
F2	Clear	5.96 ± 0.15	98.94 ± 0.37	60.9 ± 0.02
F3	Clear	6.13 ± 0.15	99.10 ± 0.42	87.8 ± 0.06
F4	Clear	6.06 ± 0.15	99.26 ± 0.13	145.5 ± 0.10
F5	Clear	6.11 ± 0.17	99.63 ± 0.28	89.6 ± 0.01
F6	Clear	6.00 ± 0.17	99.76 ± 0.12	128.3 ± 0.05
F7	Clear	6.10 ± 0.20	99.56 ± 0.31	275.5 ± 0.01
F8	Clear	6.01 ± 0.14	99.34 ± 0.29	223.7 ± 0.07
F9	Clear	6.15 ± 0.20	99.61 ± 0.33	280.1 ± 0.01
F10	Clear	6.11 ± 0.13	99.17 ± 0.17	591.7 ± 0.03
F11	Clear	6.10 ± 0.17	98.62 ± 0.28	515.5 ± 0.02