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Maro
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Electrolysis
*4/10/2013
from 4/10/2013
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Notes
“In chemistry and manufacturing, electrolysis is a method of using a direct electric current (DC) to drive an otherwise non-spontaneous chemical reaction. Electrolysis is commercially highly important as a stage in the separation of elements from naturally occurring sources such as ores using an electrolytic cell.”
“Electrolysis is the passage of a direct electric current through an ionic substance that is either molten or dissolved in a suitable solvent, resulting in chemical reactions at the electrodes and separation of materials.
The main components required to achieve electrolysis are :
An electrolyte : a substance containing free ions which are the carriers of electric current in the electrolyte. If the ions are not mobile, as in a solid salt then electrolysis cannot occur.
A direct current (DC) supply : provides the energy necessary to create or discharge the ions in the electrolyte. Electric current is carried by electrons in the external circuit.
Two electrodes : an electrical conductor which provides the physical interface between the electrical circuit providing the energy and the electrolyte
Electrodes of metal, graphite and semiconductor material are widely used. Choice of suitable electrode depends on chemical reactivity between the electrode and electrolyte and the cost of manufacture.”
(Electrolysis, Wikipedia, 4/10/2013)
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(RDC 6/5/2012)
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Roger D. Corneliussen
Editor
www.maropolymeronline.com
Maro Polymer Links
Tel: 610 363 9920
Fax: 610 363 9921
E-Mail:
cornelrd@bee.net
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Copyright 2013 by Roger D. Corneliussen.
No part of this transmission is to be duplicated in any manner or
forwarded by electronic mail without the express written permission of Roger D.
Corneliussen
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* Date of latest addition; date of first entry is 4/10/2013.