仪器对比
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重复的电化学氧化还原反应的实验，实验的产品上粘附到电极表面的电子转移速率，并逐渐衰减。如果电子转移速度变慢，对氧化还原峰电位差将拓宽之间。
清爽的电极表面通过抛光，电子转移速率将再次提高。因此，峰电位差变窄，返回到一个理想的简历。
电极：玻碳电极
| Catalogue No. | Description |
| 013223 | PK-3 Electrode Polishing kit |
| Contents | |
| 012620 | 0.05 µm polishing alumina (20 ml) |
| 012621 | 1 µm polishing diamond (10 ml) |
| - | Alumina polishing pad (10 pcs) |
| - | Diamond polishing pad (10 pcs) |
| 013222 | Replacement glass plate for PK-3 (1 pc) |
| Polishing pad for acquisition separately | |
| 012600 | Alumina polishing pad (20 pcs) |
| 012601 | Diamond polishing pad (20 pcs) |
How to polish the Working electrodes' surface with PK-3
Click- Prepare the glass plate, and put a few drops of polishing diamond on diamond polishing pad.
- Hold the CV electrode at right angle to the pad, and polish in a circular motion.
- Replace the diamond pad to an alumina polishing pad, put a few drops of polishing alumina, and polish the electrode to be mirror surface. Rinse the electrode surface with distilled water, and finish by air drying.
Polishing of PFCE Electrode & Pyrolytic Graphite Electrode
For the electrodes listed below,| Catalog No. | Description | Isolation | OD | ID |
| 002252 | Pyrolytic Graphite Electrode (Basal Plane) | PEEK | 6 mm | 3 mm |
| 002253 | Pyrolytic Graphite Electrode (Edge Plane) | PEEK | 6 mm | 3 mm |
| 002408 | PFCE 3 Carbon electrode | PEEK | 6 mm | 3 mm |
| 002409 | PFCE 1 Carbon electrode | PEEK | 6 mm | 1 mm |
| 011854 | SPFCE Carbon electrode | PEEK | 3 mm | 1 mm |
It is recommended the follow polishing step:
- Put a few drops of distilled water on the emery paper, and polish for 10 seconds. If necessary increase the polishing time.
- Then rinse the electrode with distilled water.
-
After rinse, ultrasonic cleaning for 10 seconds (in the case of 65 W - 100 W ultrasonic cleaner).
Or polishing the electrode using alumina pad with a few drops of distilled water for about 10 seconds. - Then rinse the electrode again with a distilled water.
- Dry the electrode and it is ready for the measurement.
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