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Josh Bernbaum 09-09-2020 09:09 PM

Safe, but inexpensive way to store corrosives?
I'm trying to organize one of the many storage areas in my shop and realized that the two bottles of acids that I have for making aqua regia, which I have stored there in their original cardboard shipping boxes for 2 years since I last used some, have started to oxidize the painted metal shelf they're sitting on. I suppose enough fumes are getting out to do be able to do that. I looked up corrosive storage cabinets, but even the small ones are larger than I need and the prices seem insane. Can I just put these bottles, making sure they stay upright, in a plastic bucket with a lid and a skull-and-crossbones drawn on the side? And would it need any tiny bit of ventilation or no? Thanks in advance.

Pete VanderLaan 09-10-2020 07:43 PM

In the fire dept, we always packed our materials like this in silica . It lowered the temp and stopped the action.

Shawn Everette 09-10-2020 10:23 PM

Plastic should be polyethylne for most acid. If it's not got a way to vent, it will find one.... hopefully not in your face.

Josh Bernbaum 09-11-2020 12:39 PM

So a polyethylene container with silica at the bottom and a couple small vent holes in the lid?

Pete VanderLaan 09-11-2020 01:49 PM

Indeed. I think you can find lidded containers at Amazon at the least. You know where to get the silica. I was always impressed when we did haz mat stuff in Santa Fe how effective the silica was. Sometimes it took other approaches- sulfuric acid spills and we would make gypsum using calcium carbonate. Having the labs up on the hill and having the big trucks of acids coming through on the interstate every monday morning at 3;00 am kept us tuned in. That, giant containers of liquid oxygen, always mondays. Mayberry it wasn't. The only sustained incident was closing the interstate a few times for gas trucks overturning and contaminating the shit out of everything. That we had to excavate for what seemed like forever.

What is disconcerting to me here is how cans rust out. I have stuff that would never have changed in NM but here? aerosols seem the worst and that includes insecticides, paint cans, really corrosive.

Eben Horton 09-11-2020 05:59 PM

Keep it in the left side of the fridge. Food on the right.

Josh Bernbaum 09-12-2020 11:49 AM

I'll just store it in the liquor cabinet Eben..

Eben Horton 09-12-2020 03:19 PM

There you go!

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