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Table 7 The correlation coefficients of different release kinetic models for the seven brands of Amoxicillin clavulanate potassium 625 mg tablets (500 mg/125 mg)

From: Dissolution profile evaluation of selected brands of amoxicillin-clavulanate potassium 625 mg tablets retailed in Hawassa town, Sidama Regional State, Ethiopia

Brands code

Amoxicillin

Clavulanic acid potassium salts

Model dependent parameters

Model dependent parameters

Zero-order

First-order

Higuchi

Weibull

Hixson-Crowell

Korsemeyer-Peppas

Zero-order

First-order

Higuchi

Weibull

Hixson-Crowell

Korsemeyer-Peppas

AC001

0.4747

0.4603

0.6092

0.7142

0.4647

0.9833

0.6997

0.6612

0.7254

0.6325

0.6766

0.9146

AC002

0.4522

0.4438

0.3255

0.7773

0.4464

0.9787

0.5791

0.5429

0.3856

0.7306

0.5554

0.9837

AC003

0.3082

0.3209

-0.6667

0.5745

0.3125

0.9144

0.7375

0.6764

0.7419

0.9381

0.6986

0.9258

AC004

0.7708

0.7568

0.8478

0.8459

0.7638

0.9303

0.7031

0.6642

0.5525

0.9208

0.6788

0.9175

AC005

0.5579

0.5262

0.1940

0.8494

0.5366

0.9894

0.7403

0.7006

0.6568

0.9275

0.7156

0.9342

AC006

0.4734

0.4609

− 0.3226

0.8326

0.4648

0.9834

0.7633

0.7595

0.2220

0.8877

0.7615

0.9169

AC007

0.5995

0.5470

0.5168

0.9122

0.5638

0.9953

0.7524

0.7398

− 0.2598

0.9012

0.7448

0.9339