vacuum chamber

Anyone ever tried to extract cannibinoids by dropping pressure to their vaporization point? I was at a friend's and they said that dispensaries are deploying a process by which they are able to gaseously remove the cannibinoids. Some of the used herb is then being resold on black market. I...

I’m going to buy a purge chamber. Some of the companies selling vacuum chambers advice against using them to purge hexane and alcohols. I sometimes extract with hexane so I consider buying a laboratory desiccator made of glass. Those are relatively expensive but can handle any solvent. I read...