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How To Introduce 10uL Modification Solution To A Glassy Carbon Electrode With A Diameter Of 3mm, And How To Improve The Stability?
May,29,2023

Hello everyone, I am a novice in electrochemistry. Recently, I am studying the use of primers to modify glassy carbon electrodes . I have the following questions to ask you.

1. Many literatures say that a maximum of 10uL of modification solution can be dripped on a glassy carbon electrode with a diameter of 3mm, but my electrode with a diameter of 3mm can only drip 2uL at a time, and it will overflow.  Is 10uL equal to the first one? Drip the second time after the first drip?and so on

Glassy Carbon Electrode Potassium Ferricyanide_Glassy Carbon Electrode Modification_Carbon Electrode

2. I used 1 mg of nanotubes dispersed in 0.1% absolute ethanol solution. After coating the glassy carbon electrode as a primer, it was dried at room temperature for one hour. However, when doing anodic dissolution analysis, it is found that the overall baseline will change with each measurement, and the overall drop is less than 1 microampere (that is, the stability is not good). Is the drying time still a bit short? how long do you hang it out

Glassy Carbon Electrode Modification_Glassy Carbon Electrode Potassium Ferricyanide_Carbon Electrode

Hello everyone, I am a novice in electrochemistry. Recently, I am studying the use of primers to modify glassy carbon electrodes. I have the following questions to ask you.

1. Many literatures say that a maximum of 10uL of modification solution can be dripped on a glassy carbon electrode with a diameter of 3mm, but my electrode with a diameter of 3mm can only drip 2uL at a time, and it will overflow.  Is 10uL equal to the first one? Drip the second time after the first drip?and so on

2. I used 1 mg of nanotubes dispersed in 0.1% absolute ethanol solution. After coating the glassy carbon electrode as a primer, it was dried at room temperature for one hour. However, when doing anodic dissolution analysis, it is found that the overall baseline will change with each measurement, and the overall drop is less than 1 microampere (that is, the stability is not good). Is the drying time still a bit short? how long do you hang it out