# Collecting Electrostatic Charge

What is the best way to collect electrostatic charge from particles in an airtight system?
The particles will pass over a collector (that which we are trying to determine), discharge and be circulated away.
I'm just not exactly sure what to use.

It will either be just plain air,
or possibly a more dense gas.

If you need further info, I'll try to get that to you.

Perhaps something electromagnetic, but not strong enough to interfere with the flow characteristics of the gas.

The charge would then be fed into a capacitor(s) and accumulated for use elsewhere in the apparatus.

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