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Fumarate to Freebase Question

Migrated topic.
has nobody at all done a comparison ?
this seems to look like the ideal tek now - stb, pull with naptha till it pulls no more - freeze precip that.
after no more comes out do xylene pulls till no more comes out - fasa the xylene then freebase and separate.
compared to this would one expect a loss if they just did stb, xylene pull, fasa precip, freebase and separate.
 
Exactly what SWIM's FOAF was thinking about. This is his plan for his next extraction. The good thing is that xylene will pull loads of spice (spice-spice, not only N-oxide or jungle spice) from the point where naphtha stops pulling any more.
 
SWIM doesn't use naphtha at all any more. He directly pulls with xylene until no more can be pulled and then he uses FASA to crash out the goodies. He has a big heap of FASA spice. But he hasn't freebased it yet because of him still having so much of his freeze preciped naphtha pulled spice.

He has read somewhere in this thread that somehow the jungle spice and n oxides are not converted to freebases when doing the FASA to freebase conversion. Is this true? SWIM was planning on trying the whole alkaloid mix. Is there a tek with which one can retrieve the full alkaloid mix as a freebase?

That would be neat! He has already noticed the big difference between slightly yellow spice and white spice. Somehow he likes the yellow stuff more. It comes on faster and seems to produce very nice body sensations.
 
Freebasing through the calcium hydroxide (or sodium carbonate) paste should freebase all fumarates. Not sure where your friend got that info from.

And yeah, yellow is as good as pure white, if not better. Time for people to stop hating the yellow stuff and doing useless recrystallisations to take it out!
 
Ok... SWIM did A/B to FASA. DMT fum. came out nicely.

Washed with acetone 2x then dried.

Dissolved DMT fumerate in water.

Saturated equal amount of water with sodium carbonate, then stirred with fumerated DMT.

Pulled with naptha. Placed in freezer. After several hours no crystals were seen. On rechecking ph of aqueous solution it wasn't high enough. To prevent increase in liquid SWIM added Naoh solution to boost ph (now 12-13).

After pulling again with naptha SWIM noticed a white powder forming at the bottom of the aqueous vessel.

Surely at ph 12-13 this can't be DMT?
 
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