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Topic: Direction of Electric Field  (Read 1868 times)

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Offline CopperSmurf

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Direction of Electric Field
« on: October 13, 2012, 11:28:24 PM »
My physics background is shakey at best after many years. If I am doing an electrocapillary experiment, I have:
a negative zeta potential (ex. -50 mV)
a dilute salt solution as electrolyte in a small thin glass capillary
apply a positive potential (i.e. +5V)

the electric field is running parallel to the surface of the glass, but obviously so does the electrolyte. So *technically* speaking, is the salty fluid moving with the applied electric field or against it?

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