In a galvanic cell electrons are gained by the oxidizing agent at the negative electrode electrons flow through a porous barrier from the cathode to the anode electrons are provided by the reducing agent at the negative electrode electrons flow through the solution from the cathode to the anode
Science behind corrosion-test
Corrosion is defined as an activity that transforms refined metals into more chemically stable forms such as oxide, hydroxide, carbonate, or sulfide. It refers to the slow decomposition of things (typically metals); thanks to chemical and/or electrochemical reactions with their surroundings. Corrosion engineering is the science of preventing and controlling corrosion.
Corrosion
Corrosion is defined as an activity that transforms refined metals into more chemically stable forms such as oxide, hydroxide, carbonate, or sulfide. It refers to the slow decomposition of things (typically metals); thanks to chemical and/or electrochemical reactions with their surroundings. Corrosion engineering is the science of preventing and controlling corrosion.
In a galvanic cell
- electrons are gained by the oxidizing agent at the negative electrode
- electrons flow through a porous barrier from the cathode to the anode
- electrons are provided by the reducing agent at the negative electrode
- electrons flow through the solution from the cathode to the anode
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