May I ask if there is a scholar to help me solve the problem? There is an obvious blue discharge phenomenon at the tip of the glass capillary tube. The diameter of the glass capillary tube is about 4 microns, the length of the glass capillary tube tip is about 4 mm, and the voltage is 3000v to 4000v. obvious blue discharge phenomenon at the tip of the glass capillary tube. The diameter of the glass capillary tube is about 4 microns, the length of the glass capillary tube tip is about 4 mm, and the voltage is 3000v to 4000v.
Quick answer: Fluid used must be conductive or arcing may result. Increase conductivity of liquid (less organic solvent) and/or increase flow rate. *Please have an experienced professional user assist you with this project as it is something that a trained person would know how to avoid.
Reduce the applied voltage,
Decrease the ACN-like organic solvent composition during flow when the arc appears,
Use a different emitter (brand new and/or different type, if preferred)
Position the needle effluent a bit far from the cone entrance.
These are some of the typical applications to lessen the corona discharge...
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