Is there a place in BR that sells liquid nitrogen to the public?

Just go get your tires filled with it then drain and melt. Not that hard if you have a basic understanding of chemistry.

I'm not sure if they sell it to the public, but you can try some welding suppliers - most of them carry it for industrial purposes.

Check with Capitol Welders Supply or TNT Welding Supply.

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but not some slap dick walking in off the streets.

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I don't know why but this really made me laugh.

We get ours from AirGas for our shop, but I believe anyone can get it, but the tank and diffuser novel are not cheap, plus it doesn’t last very long in the heat.

any gas welding supply should offer it. Airgas or TNT.
you need a container aka dewar. they come in different sizes. 5 liter all the way up to 100+. Like someone else said, they aren't cheap. $500 on the cheap end probably.

Want to make some ice cream?

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you need a container aka dewar. they come in different sizes. 5 liter all the way up to 100+. Like someone else said, they aren't cheap.

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Look around...you can find small dewars for sale pretty easily. Farmers use liquid nitrogen for insemination purposes.

Here's one on Amazon for less than $200.

Amazon Dewar

Praxair on Choctaw. No clue what the minimum volume they'll sell is though.

So I followed the Amazon link to see WHY one would want such. Here was the answer-

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"Product description
3 L Cryogenic Container Liquid Nitrogen LN2 Tank with Straps and Carry bag This liquid nitrogen container is light weight, easy to carry, has a long holding time, and widely used for medical and scientific purposes. Such as: For the conservation of semen, embryos, spawn, vaccines, skin, organ and other biological material"

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You sick frick.