dry ice

Since crystallization of P2NP sometimes seems to be tricky for some people, I want to share an easy trick to instantly crystallize your freshly cooked p2np. Cool it down and then simply add a load of dry ice and stir. everything will crystallize within a minute. If you wonder where to get some...

Introduction I want to show in this topic simple rules of handling, step-by-step and video manual of dry-ice dewar bath with acetone preparing. Hope that this thread helps you to be more confident and safe in low-temperature synthesis procedures. The Liquid nitrogen (N2) laboratory handling is...