That was a tear jerker!
Just teasing, but very eloquently said Good Sir!
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It was @NoHeatNoVacuum using something like a rocker and inert gas sweep.
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Yeshhh!! Good memory @BigM
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Not what they were “designed” for, but certainly oft used, there is also a variant with a filter plate at the bottom that might qualify as designed for the task…one could also argue that adding said filter plate gives you a NUTSCHE FILTER rather than an agitated reactor.
solvent of choice is pentane/hexane/heptane rather than butane…
Glass and pressure don’t mix super well, so you’d want the stainless version for butane.
Most who’ve explored the problem prefer stainless for pentane too…