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Old 04-30-2018, 07:39 PM #1
HWY36
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ethanol extraction and stability

Is it possible to have a stable, shatter like product using an ethanol extraction or will it always be somewhat sappy?

I've been researching c-bleach. Is there an application where for it where the final product is stable? Seems the high temps required would leave me with an unstable product. Is there a way to use it with lower temps?

Regards all
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Old 05-01-2018, 07:09 AM #2
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Originally Posted by HWY36 View Post
Is it possible to have a stable, shatter like product using an ethanol extraction or will it always be somewhat sappy?
Not sure on the other, but you absolutely can make hard shatter using ethanol. You will need to use vacuum purging to get this consistency, as applying heat with a double boiler will cause decarbing, which will produce a runnier product. If you starting material is older it could already have decarbed with time, and if that is the case, it will be a bit sappy even with vaccuum purge.
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Old 05-02-2018, 01:02 PM #3
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Originally Posted by HWY36 View Post
Is it possible to have a stable, shatter like product using an ethanol extraction or will it always be somewhat sappy?

I've been researching c-bleach. Is there an application where for it where the final product is stable? Seems the high temps required would leave me with an unstable product. Is there a way to use it with lower temps?

Regards all
You can make ethanol shatter.

Recover using vacuum at low temperatures.
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Old 05-03-2018, 02:45 AM #4
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Low temps for the win. Our lab was having problems with everything going to sap, lowered the recovery temps and shit is like glass now.
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Old 05-04-2018, 06:06 PM #5
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Low temps for the win. Our lab was having problems with everything going to sap, lowered the recovery temps and shit is like glass now.
How low? I guess recovering (or evaporating) ethanol at low temps under vac would be no problem. My concern is that using c-bleach, it either won't filter properly or work at all at lower temps. The instructions say to heat to 176F.

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Old 05-04-2018, 07:45 PM #6
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You can make ethanol shatter.

Recover using vacuum at low temperatures.
GW, if I used c-beads or magSil in a BHO column would it give me a lighter colored product?
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Old 05-05-2018, 12:34 PM #7
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GW, if I used c-beads or magSil in a BHO column would it give me a lighter colored product?
I haven't tried that, but I predict not.

Any of ya'll other readers have any experience with that?
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Old 05-15-2018, 07:39 AM #8
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Low temps for the win. Our lab was having problems with everything going to sap, lowered the recovery temps and shit is like glass now.
I'm having the same issue with sappy attempts at shatter. I'm extracting at -45C, cold filtering, and recovering at 38C under full vacuum. With a few attempts in the Cascade vacuum oven, I'm usually getting sappy sometimes partially crystallized gunk. What recovery temp would you recommend for my roto water bath? Any other pointers? Much appreciated.
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Old 05-16-2018, 07:55 PM #9
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I'm having the same issue with sappy attempts at shatter. I'm extracting at -45C, cold filtering, and recovering at 38C under full vacuum. With a few attempts in the Cascade vacuum oven, I'm usually getting sappy sometimes partially crystallized gunk. What recovery temp would you recommend for my roto water bath? Any other pointers? Much appreciated.
Just curious. What is the consistency of your extract when taken from the rotovap? Thin or thick syrup? What temps on your vacuum oven?
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Old 05-16-2018, 10:46 PM #10
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Just curious. What is the consistency of your extract when taken from the rotovap? Thin or thick syrup? What temps on your vacuum oven?
The consistency is thick, I'd compare it to room temperature honey or slightly thinner as it does move. To get it out of the collection bulb we put a heat blanket on the glass and let it drip out overnight.

We've tried a few different temp regimes, as low as 85F (stepping up to 95F) for 5 days and as high as 120F for 3 days. We've only done 4 runs through the oven, so we are just getting started, but are more or less stumbling around in the dark it seems. One run it muffined and we made something resembling honeycomb, that didn't end up being very stable and was somewhat sticky. The other 3 runs we got some extremely sticky crystallized sap that was a medium amber. Any suggestions would be welcome, thanks.
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