December 26, 2024, 08:58:29 AM
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Topic: Peracetic acid from vinegar and hydrogen peroxide  (Read 641 times)

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Offline Easy

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Peracetic acid from vinegar and hydrogen peroxide
« on: December 02, 2024, 05:56:34 PM »
Hello friends. So, I'm looking to clean my water softener zeolite, and I've read that flushing with a .1% solution of peracetic acid is effective. While I'm having trouble finding peracetic acid itself, I've read that it can be synthesized simply with hydrogen peroxide and acetic acid. Problem is, I remember next to nothing re: synthesis from my AP or university chemistry classes or labs. Can somebody please help me figure out the proportions of hydrogen peroxide (3%) and distilled white vinegar (5%) to get enough peracetic acid to bring 2 gallons water to .1%? Thanks much,
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Offline Easy

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Re: Peracetic acid from vinegar and hydrogen peroxide
« Reply #1 on: December 02, 2024, 07:06:09 PM »
Also, I'm reading that an acid catalyst is necessary for the reaction to take place. Would sulfuric acid, or (preferably, since I have it on hand) muriatic acid suffice? If so, what concentration ought I use, and what pH should this bring the solution down to? Thanks

Offline Easy

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Re: Peracetic acid from vinegar and hydrogen peroxide
« Reply #2 on: December 02, 2024, 08:42:27 PM »
So, I've found 12% hydrogen peroxide and 75% acetic acid vinegar on Amazon, if these would be either necessary for the reaction to produce peracetic acid, or just facilitate the process ... any input appreciated. Thx

Offline Borek

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Re: Peracetic acid from vinegar and hydrogen peroxide
« Reply #3 on: December 04, 2024, 03:33:02 PM »
Somehow I doubt these are concentrated enough for a reasonable yield (plus, you would need addition of some strong mineral acid that will catalyze the reaction).

It doesn't sound like synthesis for an inexperienced chemist - strong acid and strong oxidizer are not something to play with without knowing what precautions need to be taken.
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