Electrolysis of Na2SO4 on Submerged Aluminum

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SUMMARY

The discussion confirms that Sodium sulfate (Na2SO4) acts as a corrosive electrolyte in water during electrolysis, impacting submerged aluminum components. It does not "eat away" at aluminum but instead forms a protective film of oxide/hydroxide while sulfate ions bind to the aluminum surface. This interaction is critical for understanding the electrochemical behavior of aluminum in sodium sulfate solutions.

PREREQUISITES
  • Understanding of electrolysis principles
  • Knowledge of corrosion mechanisms in metals
  • Familiarity with sodium sulfate properties
  • Basic chemistry of aluminum and its oxides
NEXT STEPS
  • Research the electrochemical properties of sodium sulfate as an electrolyte
  • Study corrosion prevention techniques for aluminum in electrolytic environments
  • Learn about the formation and characteristics of aluminum oxide/hydroxide films
  • Investigate alternative electrolytes for electrolysis involving aluminum
USEFUL FOR

Electrochemists, materials scientists, and engineers involved in electrolysis processes, particularly those working with aluminum components in corrosive environments.

Mike V
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Will Na2SO4 (Sodium sulfate), when used as an Electrolyte in Water, EAT away at submerged Aluminum components, when performing Electrolysis ?
 
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Sodium sulfate is corrosive to aluminum. It forms a film of oxide/hydroxide while the sulfate binds to aluminum. It doesn't actually "eat away" at it.
 
Thank you osilmag.
 

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