Recent content by greenfriend

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  1. greenfriend

    Live resin extraction tips and techniques

    I'm sure with massive mechanical pressure good yields can be had with rosin, I'd just like to see test results showing to what degree the heat and pressure degrade the lighter terpenes and the level of decomposition of THC to CBN. For me that's the whole point of doing a cold BHO extraction...
  2. greenfriend

    Live resin extraction tips and techniques

    It really no different from any other BHO extraction other than being very careful to exclude water from the extraction. The 20% returns are more attributable to really good starting material
  3. greenfriend

    Live resin extraction tips and techniques

    It's not possible to get a full terpene profile using heat. The lower weight terpenes WILL decompose from the heat of a hair straightener.
  4. greenfriend

    Live resin extraction tips and techniques

    The yields are roughly the same. Some people claim lower yields when extracting the whole plant, but when comparing nug runs the yields are the same. The only reason I could see lower yields from live resin would be if inert atmosphere was not used and ice crystals lowered extraction surface...
  5. greenfriend

    Live resin extraction tips and techniques

    I wanted to share some tips in live resin hydrocarbon extraction. This procedure is highly technical but will produce the highest quality live resin with just a small home lab setup. The other options are a $20-40k automated extraction system or paying $60/gram at the dispensary :( To make...
  6. greenfriend

    Anyone done any testing with Ultrasonic Extraction?

    Hey Hackerman, if the 151 everclear doesn't cut it, add Zeolite 3A (google it) and you've got 200 proof ethanol on the cheap
  7. greenfriend

    How to isolate and purify THC, CBD, CBN

    First, no one has a plant with 19% CBD and 0% THC Second, people do think for themselves and do ask for these products. I have owned 2 cannabis dispensaries, and I assure you my customers knew what they wanted without me telling them. RSO is just another decarboxylated solvent extraction...
  8. greenfriend

    How to isolate and purify THC, CBD, CBN

    I'm sure it over the top for most, that why a lot of dispensaries in Colorado that are required to produce the concentrates they sell have a chemist on staff. A lot of patients want a precisely pure and consistent product, so I see high tech lab extraction and quality testing as the future of...
  9. greenfriend

    DIY fume hood for BHO extractions

    I thought this might be useful for people making BHO. Recently, a guy near me blew up a 4-plex making wax, and another dude got arrested with a bho lab because neighbors smelled gas fumes. Point is, not everyone has a private secluded backyard in which to open blast. If you're going to blast...
  10. greenfriend

    How to isolate and purify THC, CBD, CBN

    I completely agree with you, however for those who want the medical benefits of CBD (for example in the treatment of seizures) without getting high, separation is necessary.
  11. greenfriend

    How to isolate and purify THC, CBD, CBN

    Lab gear: fractional distillation setup, basically all your standard chem glassware, vacuum pump, magnetic stirring hot plate, chromatography tubes and filters High proof alcohol is a very effective polar solvent, so effective that it also extracts chlorophyll and other undesirables...
  12. greenfriend

    How to isolate and purify THC, CBD, CBN

    Yea it's heavy on the chemistry, but if you've got the lab gear and the inclination, you can make pure CBD at home
  13. greenfriend

    How to isolate and purify THC, CBD, CBN

    There are other ways to isolate these compounds (phase transfer catalysts), but an even better option is column chromatography. But first, a word about decarboxylation. Whether to decarb can be debated forever, but if you do, it should be heated under nitrogen at 105C for 1 hour. I like to...
  14. greenfriend

    Better bho thru chemistry

    Hi all, wanted to share some learning I've been doing on butane concentrates. DISCLAIMER: Full melt bubble and subcritical CO2 are both better concentrate options. Also, I'm not affiliated with freshlabzz in any way just copied certain aspects of their setup Making BHO is dangerous/illegal in...
  15. greenfriend

    CBD extraction/FRACTIONATING THE PHYTOCANNABINOIDS BY THEIR VAPORIZATION POINTS

    If solvent extraction is "old hat" to you then you would have understood my previous post. Solvent extraction IS fractionating. 1) general extraction with organic solvent 2) Liquid-liquid extraction: use a PTC to bring CBD into the aqueous phase; decant organic phase; wash aqueous phase...
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