Fig. 1

Fig. 2

Fig. 3

Fig. 4

Fig. 5

Fig. 6
![The ln[–ln(1 – f(t))]– ln(t) diagrams for the oxygen adsorption process at (a) 70 °C and (b) 90 °C.](https://sciendo-parsed.s3.eu-central-1.amazonaws.com/64724ff9215d2f6c89dc3d9a/j_msp-2016-0037_fig_006.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=AKIA6AP2G7AKOUXAVR44%2F20251106%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Date=20251106T050837Z&X-Amz-Expires=3600&X-Amz-Signature=320473fe5fcf2706faff2d9ee312930139d786eb2fdab092f67bd0cca1d88b6d&X-Amz-SignedHeaders=host&x-amz-checksum-mode=ENABLED&x-id=GetObject)
Experimental conditions of synthesizing samples A1 to A6 and B1 to B6_
| t [min] → | 30 | 60 | 90 | 120 | 150 | 180 | 210 | 240 |
|---|---|---|---|---|---|---|---|---|
| T [°C] ↓ | ||||||||
| 70 | A1 | A2 | A3(S) | – | A4 | A5 | A6 | – |
| 90 | B1 | B2 | B3 | B4 | B5 | – | – | B6 |





![The ln[–ln(1 – f(t))]– ln(t) diagrams for the oxygen adsorption process at (a) 70 °C and (b) 90 °C.](https://sciendo-parsed.s3.eu-central-1.amazonaws.com/64724ff9215d2f6c89dc3d9a/j_msp-2016-0037_fig_006.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=AKIA6AP2G7AKOUXAVR44%2F20251106%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Date=20251106T050837Z&X-Amz-Expires=3600&X-Amz-Signature=320473fe5fcf2706faff2d9ee312930139d786eb2fdab092f67bd0cca1d88b6d&X-Amz-SignedHeaders=host&x-amz-checksum-mode=ENABLED&x-id=GetObject)
| t [min] → | 30 | 60 | 90 | 120 | 150 | 180 | 210 | 240 |
|---|---|---|---|---|---|---|---|---|
| T [°C] ↓ | ||||||||
| 70 | A1 | A2 | A3(S) | – | A4 | A5 | A6 | – |
| 90 | B1 | B2 | B3 | B4 | B5 | – | – | B6 |
© 2016 Reza Ahmadi, Seyyed Khatiboleslam Sadrnezhad, Rashin Namivandi Zangeneh, Mohammad Ali Oghabian, published by Wroclaw University of Science and Technology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.