Visualization of electroconvection by distribution of rhodamine 6G concentration

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Distribution of rhodamine concentration near an anion-exchange membrane in electrodialysis of a 0.02 M NaCl +10 μM rhodamine 6G solution. Dark areas correspond to a low rhodamine concentration; light ones, to a high concentration. Thus, the passage of electric current through the anion-exchange membrane is visualized. The current is turned on from the beginning of the video for 60 seconds.

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Wikimedia Commons, in Wikimedia Commons

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CC BY 4.0, as the Wikimedia Commons states it.

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Creative Commons Attribution 4.0

Credit

Ilia Moroz

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