CBD Recrystallization

[mj_martini]

Serial recrystallization at room temp. Don’t freeze your solution.

Isolation is (or should be) a mechanical means of separating THC from CBD.

Free (BUT OLD) Hemp Biomass-to-Isolate SOP (complete) using cryo EtOH, wiped film dist., with C7 (re)crystallization

He’s an old (2018-2019) SOP I wrote up (.doc format) for the hemp-to-isolate total process from a few years ago. Much of the sections are fairly useless now, but most of the basic ideas are sound. Some unsafe procedures are present be warned (e.g. freezer use with C7 n-heptane). Obviously this is outdated at this point, as well as the equipment being very crude and/or small scale/unsophisticated, but I thought I would post it up anyway for whatever its worth. As noted in other threads, SOPs …