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InvisibleMind
Stranger
Registered: 06/23/15
Posts: 34
Last seen: 3 years, 20 days
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Extraction question:Is it ok to use a lot of naphtha in an stb tek as long as you evaporate it down before freeze precipitation?
#27111748 - 12/28/20 07:06 AM (3 years, 1 month ago) |
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So the problem I always run into on extractions is it is just so difficult to pull of the naphtha as close to the mimosa layer as I would like. I end up leaving like 1/8 of the naphtha or more because I can’t siphon it off due to risk of getting lye and bark in my naphtha. I know he less nap than you use the better, but also the less naphtha you use, the more of a percentage that leftover layer will be. For example, say you use 1/2 cup of naptha, and you can only siphon it to the point of leaving 1/8 cup left in the extraction jar. That means 1/4 of your spice is still in there with no hope of salvaging it. But if you use say 2 cups of naphtha, it doesn’t affect the amount that you have to leave behind, your still leaving 1/8 cup behind, and since the dmt will be evenly dispersed into the naphtha, you have now only left behind 1/16 of your spice. My question is, is this ok to do as long as you evaporate that 2 cups back down to 1/2 cup before freeze precipitation so that the naptha is fully saturated? Thanks.
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Nature Boy
Stranger than most



Registered: 07/09/07
Posts: 8,241
Loc: Samsara
Last seen: 2 months, 5 days
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Re: Extraction question:Is it ok to use a lot of naphtha in an stb tek as long as you evaporate it down before freeze precipi... [Re: InvisibleMind] 1
#27111855 - 12/28/20 08:47 AM (3 years, 1 month ago) |
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Remove only so much naphtha as is safe. NO basified water should be in your freeze precipitation jar. After freezing and crashing out of the DMT crystals, they typically are adherent to the sides of the glass jar. Just slowly and carefully pour the now depleted naphtha BACK into the jar with the mimosa/basified water (if doing STB) and let it warm up again over time. Next day or the day after remove the naphtha yet again to a safe level and AGAIN re-freeze precipitate.
Eventually (after maybe 5 or 6 of the above procedures) nearly every last molecule of DMT will have migrated into the naphtha. THEN and only then (when there isn't a high concentration of DMT in solution) should you evaporate down to maybe 1/4 or 1/5 naphtha volume, freeze and call it quits.
The shape of your jar may be what is perplexing you. If you use a jar which is relatively tall and thin, your volume of naphtha can be kept fairly low and still provide you with a "thick" top layer.
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ReoSpeedwagon153


Registered: 02/04/06
Posts: 2,098
Loc: Chetumal, Mexico
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Re: Extraction question:Is it ok to use a lot of naphtha in an stb tek as long as you evaporate it down before freeze precipi... [Re: Nature Boy]
#27111891 - 12/28/20 09:18 AM (3 years, 1 month ago) |
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if you retrieve the naph pull into a jar/beaker (dedicated for this, not the same one you plan to freeze precip in) and don’t worry as much about avoiding the bottom layer you can get virtually all of your naphtha back out. just let this jar settle for a bit and you can separate out the naph into a clean freeze precip jar pretty easily. 3ml disposable pipettes are pretty useful for this. without pipettes you can get the naph from the little bit of bottom layer by settling and decanting into clean jars/beakers. of course, make sure there is NO bottom layer whatsoever in your freeze precip jar.
I always keep at least 2 jars just for this because it is such a bitch to carefully avoid any amount of bottom layer with a big imprecise turkey baster.
a lot of times the leftover naph layer looks like more than it actually is. even in a very wide vessel (gallon jar) you can get about 90% of it with a turkey baster.
-------------------- “I thought naming myself ‘ReoSpeedwagon153’ on a forum was a funny idea in 2006.”
Edited by ReoSpeedwagon153 (12/28/20 09:22 AM)
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