Response Surface Optimization of Sustained Release Metformin-Hydrochloride Matrix Tablets: Influence of Some Hydrophillic Polymers on the Release

Table 6

Comparison of 𝑋₆₀, 𝑋₁₂₀, 𝑇₅₀, 𝑇₉₀, 𝑛, and 𝑏 value of formulations.

Batch code	𝑋60 (mg)	𝑋120 (mg)	𝑇50 (hr.)	𝑇90 (hr.)	𝑛	𝑏
AFF1	13.35	35.29	3.23	8.35	0.651	1.145
AFF2	11.87	21.6	4.13	9.26	0.889	1.415
AFF3	6.15	19.8	4.22	8.56	1.085	1.587
AFF4	9.24	21.61	4.34	8.36	0.951	1.435
AFF5	7.47	13.23	5.1	8.51	1.1	1.612
AFF6	9.25	20.31	4.44	9.4	0.921	1.355