Leaky alkaline batteries - did I clean up enough?

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SUMMARY

The discussion centers on the cleanup process after discovering leaky alkaline batteries, specifically 10-year-old AAAs that leaked potassium hydroxide. The user effectively neutralized the corrosion by using white vinegar on the affected surfaces, including the shelf, floor, and carpet. Concerns were raised about residual particles potentially damaging electronics, with advice given that while potassium carbonate is less harmful, caution is warranted regarding any caustic residues.

PREREQUISITES
  • Understanding of alkaline battery chemistry, specifically potassium hydroxide and potassium carbonate.
  • Knowledge of safe cleaning practices for corrosive substances.
  • Familiarity with the potential risks of chemical residues on electronics.
  • Basic skills in household cleaning and maintenance.
NEXT STEPS
  • Research the chemical properties and hazards of potassium hydroxide and potassium carbonate.
  • Learn effective methods for cleaning up battery leaks and neutralizing corrosive substances.
  • Investigate best practices for maintaining electronics in environments with potential chemical exposure.
  • Explore safety guidelines for handling and disposing of old batteries.
USEFUL FOR

This discussion is beneficial for homeowners, DIY enthusiasts, and anyone involved in electronics maintenance or battery management, particularly those dealing with older batteries and potential chemical hazards.

Loosley
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Hi everyone,

I was cleaning up my computer room/office today, and I found a plastic bag on a shelf with 4 AAAs inside that had white corrosion all over them. I did some Googling and I am guessing the leakage was likely potassium hydroxide. The batteries must have been about 10 years old. Here is what I did to clean it up:

- I wiped down the shelf that the bag with the batteries were on with white vinegar (to neutralize the KOH)
- then I wiped down the floor and also the carpet where I placed the bag while I was cleaning (since I noticed the bag had a few tiny holes in it) with vinegar
- I then washed my hands thoroughly

Is this sufficient? Do I need to worry about little particles of the dried up leakage that I may have missed? Would they get into my computer/other electronics and damage them?
 
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If that was anything it was potassium carbonate. Potassium hydroxide just won't last in the atmosphere long. I wouldn't worry too much but only you can determine if you dusted your keyboard or computer with the stuff. Salts of any type, especially fairly caustic ones like potassium carbonate are generally counterindicated with electronics!
 

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