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Extreme overclocking Refill your dewar here.

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  #151  
Old 05-10-2012, 09:46
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Originally Posted by l0ud_sil3nc3 View Post
yea that is the highest butt raping I have heard of, does LHe even cost that much?
LHe in Sweden: ~$45/l + 25% VAT and handling fee.
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  #152  
Old 05-10-2012, 12:18
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Originally Posted by l0ud_sil3nc3 View Post
0.72cents a liter from Praxair

Airgas wanted $6.25 a liter, douches
Airgas quoted me the same. I emailed them what I was going to be using it for and sent some pictures over and pretty flat out told them what I could afford and the accepted it. I pay $0.50 a liter on my 50L and every other time is free...so techinically its $0.25L

Let me know if you think an invoice would get them headed in the right direction for you and I can scan it but let them know what you are doing and that is a hobby for you. Pretty sure cost for them is about $0.05 - $0.10 a liter.
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  #153  
Old 05-10-2012, 13:33
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Today praxair quoted me ~$2 and airgas quoted me $4. Where the hell in the US do you guys live that you get it so low? If I could get it for <$1 I would fill it up every weekend and use 120L per month.
I go to the Raleigh, NC Airgas and get it at $0.50/L. I did it by showing reciepts from a friend of mine in OH (different Airgas region). Print these...

Receipt 1
Receipt 2
Receipt 3

...and take them in with you to Airgas to see if they'll match the price. My Airgas started at $6.00/L. I talked them down to $1.00/L but needed the receipts to get the $0.50/L price. They literally had never heard of it being sold that cheap. Once you show them it is, in fact, done (and assuming they are nice like the folks at my Airgas), they have no problem matching it.

As for how much it costs (and I'm spitballing here, this is not something I know for sure), the LN2 is relatively inexpensive because it's a byproduct. Wiki says you make LN2 by fractional distillation of liquid air. There are other, more expensive, products produced in that fractional distillation, such as helium and oxygen.

Since they're separating the air anyway, it doesn't cost much more to grab the nitrogen at its fractional spot in the distillation process. Sure, the initial investment is high but the goal is those more expensive and more widely used gasses (well, liquids). That's my random guess as to how LN2 can be relatively "cheap" to make.
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  #154  
Old 05-10-2012, 14:01
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Airgas in jersey is too high $7.00 this time they said,up from $2 when i started going there.
f them ..i will try to print out the reciept and see what they say..i think it will be like"oh thats not the new jersey price" or something.
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  #155  
Old 05-10-2012, 14:03
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FWIW, according to my guys, Airgas is soon moving to a national system rather than the regional silliness with their ancient computer systems. At that point they'll be able to pull the prices themselves and you won't need receipts. Since it will be a national system, price matching should be easier at that point. Since it's going to happen anyway, they might as well give it to you now. If you meet resistance, you can always try that argument.
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  #156  
Old 05-10-2012, 14:06
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What's expensive. Here the cost per litter is always $2.00
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  #157  
Old 05-10-2012, 15:22
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Quote:
Originally Posted by just_nuke_em View Post
Today praxair quoted me ~$2 and airgas quoted me $4. Where the hell in the US do you guys live that you get it so low? If I could get it for <$1 I would fill it up every weekend and use 120L per month.
I get it for $.50/L. They also quoted me something ridiculous when I called on the phone. I had to negotiate a better price by talking to them and stuff. Businesses which don't ask questions, or where the buyer is just expensing it... They probably just pay the initial offer price of $3/4 bucks. When they check you out, they just type in the actual price they charge you for it... There isn't a set price in the computer they have to charge.
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Last edited by I.M.O.G.; 05-10-2012 at 15:24.
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  #158  
Old 05-10-2012, 19:09
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Originally Posted by Splave View Post
Airgas quoted me the same. I emailed them what I was going to be using it for and sent some pictures over and pretty flat out told them what I could afford and the accepted it. I pay $0.50 a liter on my 50L and every other time is free...so techinically its $0.25L

Let me know if you think an invoice would get them headed in the right direction for you and I can scan it but let them know what you are doing and that is a hobby for you. Pretty sure cost for them is about $0.05 - $0.10 a liter.
that would be awesome sir

Unfortunately I think I will be spending my money with Praxair but I would love to have as many receipts as possible from different vendors so I can try to get it for $.50c as most of you guys are doing.
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  #159  
Old 05-10-2012, 19:12
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Originally Posted by hokiealumnus View Post
FWIW, according to my guys, Airgas is soon moving to a national system rather than the regional silliness with their ancient computer systems. At that point they'll be able to pull the prices themselves and you won't need receipts. Since it will be a national system, price matching should be easier at that point. Since it's going to happen anyway, they might as well give it to you now. If you meet resistance, you can always try that argument.

ha I did some research and found out they are still on a DOS based system

they spent the money and are currently in the process of deploying SAP, so everyone is in training atm (6 week course), so hopefully after they implement their system things will be a little bit smoother.
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  #160  
Old 05-11-2012, 02:20
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They have had the SAP solution at the 2 airgas stations near me for some time. Both price match according to receipts, as I've always done cash over the counter without an account. The 2nd Airgas did comment that they never sell it that cheap and I was getting a good deal.
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