Buffalo Nickel soaking in apple vinegar for 24 hours

Here is a time lapse video of a Buffalo Nickel soaking in apple vinegar for 24 hours.

https://www.facebook.com/CoinZip/videos/1078360152199202/

 

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Looks like a good way to catch insects.

 

I appreciate your participation in keeping the mosquito population down.

 

Totally expected to see at least a partial date at the end of the video...?

 

I find it takes me days to get a date to show. Plus that is a really worn buff

 

It never got dark. Was outside? Mosquito's. Land of the "Midnight Sun"?

 

Looked possibly like the coin was just barely covered by the vinegar. In that case the acetic acid could have been consumed early in the 24 hours and there was nothing left to react. If you don't have a surplus of reacting agent, and the solution is not agitated the area around the reaction site become depleted and the reaction either stops or greatly slows as new reactant has to be brought in through Brownian motion.