Cooking Issues

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Entries Tagged as 'rotovap'

Star Chiefs –The Cocktail Demo with Recipes

September 29th, 2010 · 12 Comments · centrifuge, Chocolate, Clarification, cocktails, liquid nitrogen, Puffed Snack, rotovap, Tech Demo, Uncategorized, vacuum infusion

by Dave Arnold At this year’s Star Chefs conference I whipped up some beaver-flapper puffs for the crowd to munch on (see here for recipe), and Nils and I liquored everyone up with a passel of cocktails. Our 75 minute demo showcased three different techniques at three different attainability levels: rapid N2O infusion (within anyone’s […]

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Gonna Build Me a Rotovap Update 2: Vacu-Forming Nightmare

August 22nd, 2009 · 8 Comments · rotovap

posted by Dave Arnold As readers of this blog might know, I’m building my own rotovap. See here and here. If you don’t know from rotovaps, see here. Here is the latest: The new rotovap is designed without a rotating vacuum seal—one of the crappiest parts of the laboratory system. The liquid to be distilled […]

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Gonna Build Me a Rotovap Update

July 1st, 2009 · 15 Comments · rotovap

posted by Dave Arnold As readers of this blog might know, I’m building my own rotovap. I think I can improve on the laboratory rotovap (I know I can). For the reasons to make a new one, see here. If you don’t know rotovaps, see here. Here is the condenser section of the new rotovap. […]

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We have the capability to build a custom rotovap: better, faster, stronger…

June 23rd, 2009 · 8 Comments · rotovap

Posted by Mindy Lvoff Remember what I said before about Dave custom-building solutions to the problems he perceives in almost every standard piece of equipment?  Well, as he posted last week in Gonna Build Me a Rotovap, he’s focused his problem-solving tinkering on his favorite toy. Goodbye fragile (expensive) glass bulb and water bath, hello […]

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Gonna Build Me a Rotovap

June 18th, 2009 · 8 Comments · rotovap

Posted by Dave Arnold So I’ve finally decided to build my own rotovap. If you aren’t familiar with rotovaps, check out our primer. Besides the fun of making my own, here are the problems I hope to address: Rotovaps are big Rotovaps are fragile Rotovaps are expensive Rotovaps are complex The vacuum seals on rotovaps […]

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