How to filtrate out CBD while preserving the rest of the extract?

[panyserge]

Thank you for replying.
What type of chromatography would be appropriate?

I actually started another threading specifically on chromatography.

How preserving is CPC when separating cannabinoids?

Newbie here. If I am violating any forum rule, please feel free to correct me. I made some search in this forum, unsuccessfully, but I may have missed some important threads. If I posted in the wrong sub-forum, please help me move it to the right one. If wanted to obtain from a distillate (or crude) both CBD isolate on one side AND a “CBD-poor” (THC-rich) large spectrum extract, would CPC or other chromatographic technique be appropriate? How much of cannabinoids are lost in the process? Wh…

Many thanks in advance for your guidance.