From: Synthesis of (cinnamate-zinc layered hydroxide) intercalation compound for sunscreen application
Media | Saturated release (%) | Correlation coefficient, r2 | Rate constant of pseudo second order, k(L mg-1min-1) | t1/2of pseudo second order(min) | |||
---|---|---|---|---|---|---|---|
Zeroth order | First order | Parabolic diffusion | Pseudo-second order | ||||
Deionized water | 47.34 | 0.9277 | 0.9568 | 0.9666 | 0.9990 | 9.09 × 10-6 | 1924 |
0.5 mol/L NaCl | 21.07 | 0.9422 | 0.9510 | 0.9876 | 0.9898 | 1.07 × 10-5 | 2974 |
Phosphate buffer pH 5.5 | 57.16 | 0.8541 | 0.9075 | 0.9798 | 0.9928 | 1.38 × 10-4 | 110 |