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Invisibledouble
Diesel

Registered: 02/12/11
Posts: 207
Plant material extraction questions
    #596215 - 11/08/11 04:16 PM (5 years, 27 days ago)

Hello,

did anybody here perform a chloroform extraction of plant material? Would there be any way to condense solvent thus allowing to be reused?

Reading around it seems like chloroform would be the best solvent for THC extraction since it doesn't dissolve waxes and chlorophyll and it doesn't mix with water.

How would this compare to a ice hash extraction difficulty- and yield-wise?

Thank you


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Invisibledouble
Diesel

Registered: 02/12/11
Posts: 207
Re: Plant material extraction questions [Re: double]
    #597700 - 11/20/11 12:59 PM (5 years, 15 days ago)

Nobody?

Ok, so a different question:

would extracting plant material with say acetone, evaporating everything and then dissolving that sticky mess (due to chlorophyll and waxes dissolved by acetone or alcohol) in a smaller amount of chloroform yield a purified material while requiring less high-end solvent due to pre-processing with a cheap one?

Would chilling that first all-around solvent to 15°F make any difference?

Thank you


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OfflineRasJeph
Psycho Pete
Male


Registered: 01/14/09
Posts: 11,628
Loc: Bumfuckt Egypt
Last seen: 1 month, 21 days
Re: Plant material extraction questions [Re: double]
    #597822 - 11/21/11 09:21 AM (5 years, 14 days ago)

If you freeze your bud/shake before hand to get the trichs brittle and ready to fall off, AND use cold iso, AND only shake it around (I swirl it actually) for 30 seconds, you hardly pull out anything you don't want. I had my iso dry up white once, I was so confused. It was just cloudy trichs and a real good extraction.

And of course any consecutive washes will result in a more pure end result...but its not needed at all.


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Invisibledouble
Diesel

Registered: 02/12/11
Posts: 207
Re: Plant material extraction questions [Re: RasJeph]
    #597855 - 11/21/11 02:28 PM (5 years, 14 days ago)

Quote:

RasJeph said:
If you freeze your bud/shake before hand to get the trichs brittle and ready to fall off, AND use cold iso, AND only shake it around (I swirl it actually) for 30 seconds, you hardly pull out anything you don't want. I had my iso dry up white once, I was so confused. It was just cloudy trichs and a real good extraction.

And of course any consecutive washes will result in a more pure end result...but its not needed at all.




I guess getting other stuff dissolved won't be an issue if you let it dry then redissolve in a more selective solvent (chloroform). also by letting plant material soak for longer than 30 seconds, won't it draw more THC in solution too?

My question was if, given that solvent extraction have better yields than say bubble hash etc., would it have been feasible to dissolve about everything in acetone (soaking for some hours) then evaporating, then redissolving that junk mix in a more selective and costly solvent like chloroform, which should be the best for THC extraction.


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InvisibleP-O
 Arcade Champion: Simon


Registered: 10/08/11
Posts: 17,561
Re: Plant material extraction questions [Re: double]
    #597937 - 11/22/11 04:32 AM (5 years, 13 days ago)

I dont know anyone who has used chloroform for a extraction.  w

ould it evaporate without any residue? If so let us know how the extraction goes...

imo...  iso oil< butane oil < bubble hash...


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OfflineDudeTron
 User Gallery

Registered: 10/24/09
Posts: 407
Last seen: 2 years, 10 months
Re: Plant material extraction questions [Re: P-O]
    #598029 - 11/22/11 03:40 PM (5 years, 13 days ago)

I was researching some some of the chemicals in 'contact cleaner' trying to determine if it would be safe and effective as a mostly Hexane based extraction...

Anyway I came across this intense chemistry article specific to extraction of cannibinoids and hemp chemicals...

Quote:

6.2 Extraction ~
Chloroform is the most efficient solvent for the extraction of THC from cannabis. A single extraction will remove 98-99% of the cannabinoids within 30 minutes. A second extraction removes only 88-99% of the cannabinoids within 30 minutes. A second extraction removes 100% of the THC.




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Invisibledouble
Diesel

Registered: 02/12/11
Posts: 207
Re: Plant material extraction questions [Re: DudeTron]
    #598505 - 11/26/11 07:04 AM (5 years, 9 days ago)

Thank you. I thought that first extraction with a cheap solven would have reduced overall purification mass for a dipping in chloroform


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