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Magpie
lab constructor
Posts: 5939
Registered: 1-11-2003
Location: USA
Member Is Offline
Mood: Chemistry: the subtle science.
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Is the double wall to insulate the coolant from heat loss to the ambient atmosphere? I would think that wouldn't be significant enough to worry
about. Although there is such a thing as an air condenser - and that uses convective/conductive air as coolant.
[Edited on 20-11-2004 by Magpie]
The single most important condition for a successful synthesis is good mixing - Nicodem
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MadHatter
International Hazard
Posts: 1339
Registered: 9-7-2004
Location: Maine
Member Is Offline
Mood: Enjoying retirement
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Double-walled
The double-wall causes more heat to be dumped into the coolant before exiting the
jacket. Some high-efficiency condensers double or even triple the coils in layers to
achieve this effect. The following link shows such an arrangement and as you
can see from the prices(scroll down), a bit too expensive for the home chemist.
http://www.wilmad-labglass.com/group/648
From opening of NCIS New Orleans - It goes a BOOM ! BOOM ! BOOM ! MUHAHAHAHAHAHAHA !
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MadHatter
International Hazard
Posts: 1339
Registered: 9-7-2004
Location: Maine
Member Is Offline
Mood: Enjoying retirement
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Time
I'm still waiting for that vacuum distillation apparatus to arrive. Unfortunately, the seller shipped
it by Parcel Post. Anyway, I'll post the pictures when the snail-mail service finally delivers it.
From opening of NCIS New Orleans - It goes a BOOM ! BOOM ! BOOM ! MUHAHAHAHAHAHAHA !
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MadHatter
International Hazard
Posts: 1339
Registered: 9-7-2004
Location: Maine
Member Is Offline
Mood: Enjoying retirement
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Condenser
The latest condenser for my collection. Here's the description: A vacuum high efficiency
condenser.
From opening of NCIS New Orleans - It goes a BOOM ! BOOM ! BOOM ! MUHAHAHAHAHAHAHA !
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MadHatter
International Hazard
Posts: 1339
Registered: 9-7-2004
Location: Maine
Member Is Offline
Mood: Enjoying retirement
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Vintage flasks
Through an eBay auction, I just won a lot of (10) round bottom boiling flasks. I love winning
lab glass in lots - especially at the low price I got. Anyway, these are supposed to be
50's vintage flasks. I'm only interested in the largest 4 flasks(2 each 1000 ml and 500 ml).
These flasks are Pyrex. I will be getting (4) 300 ml, (1) 200 ml, (1) 100 ml for a total of 6
flasks. The 1st member who yells gets them - NO CHARGE AND I'LL PAY TO SHIP !
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12AX7
Post Harlot
Posts: 4803
Registered: 8-3-2005
Location: oscillating
Member Is Offline
Mood: informative
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YELLING FOR WHAT I DON'T KNOW! 
*Catches breath*, so, what'd I win? *reads* ooo, labware. Would be much appreciated 
Tim
[Edited on 17-5-2005 by 12AX7]
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MadHatter
International Hazard
Posts: 1339
Registered: 9-7-2004
Location: Maine
Member Is Offline
Mood: Enjoying retirement
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Labware
It's yours ! I'll U2U a message to you when I receive them.
From opening of NCIS New Orleans - It goes a BOOM ! BOOM ! BOOM ! MUHAHAHAHAHAHAHA !
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