Freezing the cat

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Interesting method. I ask because I had heard that freezing 3% peroxide will only freeze the water and leave a stronger strength of the peroxide. I saw it on YouTube as well a few years back and the one I watched seemed to think it could go as high 30%, but I have some doubts on it as I never tried it.
 
I asked because it seemed you were trying to renove the honeycomb from cat?? Or are you saying using this freezing method the actual micro size PGMs are recovered from honeycomb.
 
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