Development and In-Vitro Evaluation of pH Responsive Polymeric Nano Hydrogel Carrier System for Gastro-Protective Delivery of Naproxen Sodium

Table 3

Results of micromeritics properties of formulations N1–N9.

Code	Bulk density (g/mL)	Tapped density (g/mL)	Angle of repose ()	Hausner’s ratio	Carr’s index (%)
N1	0.721	0.861	27.9	1.194	16.26
N2	0.642	0.743	26.5	1.157	13.59
N3	0.515	0.629	28.9	1.221	18.12
N4	0.701	0.831	26.8	1.186	15.64
N5	0.763	0.889	27.8	1.165	14.17
N6	0.804	0.963	26.4	1.198	16.51
N7	0.716	0.851	27.6	1.188	15.86
N8	0.749	0.872	28.1	1.164	14.10
N9	0.779	0.902	26.9	1.158	13.64