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Off The Grid Ken
Comentado en los Estados Unidos el 7 de octubre de 2024
This is a pretty nice liquid nitrogen container, that's perfect for small experiments in the lab or more importantly making delicious ice cream instantlyI use it more for the latter but I purchased it for the lab. The container is well made and you can feel the quality in it. It comes with everything pictured which are canisters that you could lower into the nitrogen, a carrying bag for transport to and from your nitrogen supplier. And the foam and plastic cap that you insert inside of the nitrogen container after lifting the lid.You would do best to familiarize yourself with the dangers of nitrogen and how to properly store it prior to using this if you are unaware.A good buy.Until We Meet Again-Off the Grid Ken
Customer Review
Comentado en los Estados Unidos el 20 de septiembre de 2024
I freaked out when I first received this because, while checking out the product, I pulled off the black plastic cap before discovering that it says "Do Not Move" on there. I had to do some research to discover that this is the vacuum valve cap and, as long as I didn't somehow release the vacuum, everything should be fine. There is a layer of vacuum grease around the valve that should not be disturbed. If you're interested in the process of evacuating a dewar, there are a few videos online that you can search for.Okay, now onto the review of the dewar itself. It's really well made. Quality from top to bottom. Comes with a nice cover that doubles as a carrying bag. There's a flip top lid that snaps shut. Obviously it doesn't shut airtight or it could explode, but there's a satisfying click when it's fully closed.Under the lid, there is a foam plug. Remove the plug to reveal three canisters for lowering items into the liquid N2.I was able to get mine filled at the local (welding) gas supply shop. Surprisingly cheap, I though it would cost more. I then proceeded to do the typical experiments for my kids like shattering a flower in my fist and frozen marshmallow dragon breath.Truth be told, I don't really have much of a reason to use liquid nitrogen at the moment (other than just geeking out). I'll be going back for a refill soon to try making ice cream with it, but that's just another fun, nerdy experiment. Perhaps someday I'll have an actual good reason to use liquid nitrogen, but for now it's all just for fun.Great little dewar. 3 liter capacity is certainly not very much, but if you need something larger, this company does sell some higher capacity models as well.
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