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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...

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

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.

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...

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...

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

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...

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...

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...

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.

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...

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

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...

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...

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...

Solvent extractions can be used to extract all cannabinoids, but also to separate individual cannabinoids. Liquid-liquid extraction using a proper phase transfer catalyst can separate CBD from THC and other cannabinoids. Just because the article is old doesn't mean the info isn't still...

heres a couple links. provided that you have the equipment to remove all the solvent after the extraction the list of viable organic solvents goes on and on...chloroform, dichloromethane, diethyl ether, various alkanes, ethanol, light petroleum The overpressured layer chromatography method is...

Man NCH, I can't even fathom what your PGE bill is. Insane! If you spent that sorta cash at a vegas casino they'd be comping the presidential suite for you

Citations: any organic chemistry textbook in the world. That article was obviously not written by someone who has taken organic chemistry. There are a number of organic (and inorganic) solvents that will extract the chemicals in cannabis. Different solvents will produce different chemical...

Without a bigger fan/scrubber you cant bring the stench down. you could make a stronger stench right next to the tent with a Costco size box of incense though