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Solvents for making hash oil

Discussion in 'Concentrates and Extracts' started by MrEDuck, Aug 14, 2012.


    GrowinDad Well-Known Member

    Thanks. I can handle the expense. Actually runs me about $10/pint for 100%, not 190 proof. I just wanted to make sure I am not ending up with inferior end result.

    MrEDuck Well-Known Member

    It does extract chlorophyll leading to a green taste if it's not a very quick wash but a well made EtOH extract is as good as any BHO any day IMO.

    GrowinDad Well-Known Member

    I do a quick wash (30-45 seconds) and do so under dry ice so very cold! Second run I use for RSO and go about a minute.
    MrEDuck likes this.

    MrEDuck Well-Known Member

    Sounds like a good process. You could probably even go longer to get everything for the second run since taste won't be a concern but getting all of teh goodies out will be.

    greenghost420 Well-Known Member

    if you use 100% etoh can u still get green hash?

    GrowinDad Well-Known Member

    Not sure what you mean by green hash. I use it to make an oil, same as QWISO. I just prefer to use something that is safe to consume in case I don't get it all out....
    WarMachine likes this.

    jdubwetherell1988 Well-Known Member

    What about LIMONENE as an extract solvent, thats gonna be the new favorite like PureGold, HolyWater, LiveResin,ect are 10-20% LIMONENE.( Natural or food grade Terp's)

    As mentioned a small jar of holy water, I think, has the same dankness as a bag of weed!

    Nothing but

    MrEDuck Well-Known Member

    Yes, chlorophyll is rather soluble in EtOH.
    Limonene boils right about where the cannabinoids do so you could have a solution of them in limonene but you couldn't concentrate it.
    WarMachine and greenghost420 like this.

    jdubwetherell1988 Well-Known Member

    Thats fine because terps Like limonene have healing properties and flavor of there own. I want the limonene in the final product.

    GrowinDad Well-Known Member

    I think the point is that if you don't want to consume a ton of it to get the impact, then you would need to boil it down and doing so would remove the cannabinoids. I don't think Limonene is like an alcohol base that evaporates with air...
    WarMachine and MrEDuck like this.

    MrEDuck Well-Known Member

    You're going to have to consume an awful lot of it and that doesn't strike me as the healthiest idea.

    SnapsProvolone Well-Known Member

    I think @Dan Kone may be of assistance. He was using it to "addback" so as to replace terpenes lost with some d-limonene, a controversial practice at best since this addition wasn't from the cannabis plant, as if say reclaimed from a cold trap.

    If I were you I'd pass on d-limonene as a solvent, purging will be difficult to say the least.
    jdubwetherell1988 and WarMachine like this.

    justtblaze New Member

    I don't currently have the equipment to do a vac purge on my oil. I use butane and do an initial purge in a warm water bath and then a heat purge on an electric skillet with temp control. Can I anyone tell me the optimal temp to use to do the heat purge? I don't want to lose any potency. Up until now I have usually kept it around 150° and been careful not to go above 160°.

    oilmkr420 Active Member

    Acetone comes in food grade. It's way bad ass for extracting if moderately used, it's great for rinsing any vessels used to extract or transfer from container to container, just avoid plastics and rubber contaminants and the results are shocking. Freon is the shit, chloroform is the shit, there is a whole lot of great solvents useful in marijuana extractions. You may have to do a bit more hands on to get your theories in a current status.

    oilmkr420 Active Member

    I seen your liquid co2 dewar set up. You were so close, but you need not three vessels. You would need a large air driven liquid pump geared 60:1 like Haskel, next you would need a large volume compressor to feed bulk supply of air so that co2 could be pumped in as a high pressure gas or a supercritical fluid. W the bpr valve getting pumped back into the high pressure vessel recirculating in closed loop. You were very close, so go back to that and take the advise for what its worth.
    lio lacidem

    lio lacidem Well-Known Member

    Vaccuum and heat.

    Fadedawg Well-Known Member

    The passive system worked, but it lacked the fine control and ability to process large volumes of CO2.

    We are familiar with how its done with pumps, and work with clients using them, but were looking for a practical solution for ma and pa. I'm sorry to say, that we did indeed fail in that regard.

    oilmkr420 Active Member

    The pumps aren't that outrageous in regards to cost. I have the practical methodology down for ma and pa type operations utilizing minimal equipment for maximum results minus the needed lab to get it done. Shit, I'm trying to scale it up and not look back at the little things that I got down pat.

    Fadedawg Well-Known Member

    What do you consider not that outrageous cost wise for ma and pa brother OM?

    How many volumes are you putting through the material, at what temperature and pressure?

    If your pump is a pneumatic intensifier, what are the air requirements and compressor costs?

    If a car wash cat pump, the estimated maintenance costs?

    Is your ma and pa system capable of fractionating on decompression to separate the goodies from the heavies, and how many stages?

    rene112388 Well-Known Member

    Sorry couldn't read any further without sayin something , it's N2 not N nitrogen is diatomic

    we'll see if you redeem yourself after I read the rest of the thread but damn man as a chemistry student stuff like this really hurts to read

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