Have you tried reading through this thread yet?
Start by chilling your material columns. With open sleeved jackets a dry ice/ 99% isopropyl solution will reach -110, and with closed jackets liquid nitrogen is appropriate. Chill the solvent tank at this time as well.
Once you have reached and are holding desired temp while also maintaining vacuum it’s time to prime the system. We do this by pushing warm vapors from another solvent tank into the system.
Turn on your recovery pump and open recovery port on your cold tank, allow it to build a bi…
If you search all around and can’t find anything that screams “that’ll work” maybe it’s time to hit up someone for a quick phone consultation. @StoneD comes to mind
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