Organic Chemistry @ IBM ARC
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That has been the standard method of mixing lab-reaction chemicals for at least 40 years. A bar magnet coated with an inert plastic is placed in the flask, which is set atop a platform containing another magnet that is spun by a motor. The plastic-coated magnet inside the flask spins along with the motorized one. It is nifty to watch. Props to whoever came up with that idea in the first place.
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oh and i just noticed that you have a temperature control probe which means you are trying to control the temp of the reaction using it. hmmm interesting stuff. thx for posting
rapax7474 5 years ago
There was a temperature probe involved in the demonstration, but what was most interesting to me was the method of stirring (placing a beaker on a surface with a spinning electro-magnet underneath, and placing some piece of material (metal of an unknown nature, I assume) in the beaker to let it spin the liquid.
alt4ir 5 years ago
what reaction are you doing? seems like you have a three necked RB flask hooked up to a Nitrogen (perhaps....kinds of blurry can't see that well) and it seems that you are trapping the gases given off from the reaction in an erlenmeyer flask on the left via a tubing...which could mean the gas given off must be toxic. so just out of curiosity what is this reaction that you are doing?
rapax7474 5 years ago
I wasn't doing the experiment, merely taking footage of a demonstration. There was no real product looking to be achieved, but you are correct in that the demonstration included the evaporation of liquid using a vaccuum pressure technique. I'm not even sure what chemicals were being used.
alt4ir 5 years ago