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Example of Methamphetamine Isomers Separation

Sjeik

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Det måste vara så här...

FkJsC5vV1D
FkJsC5vV1D
 

lalalander

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Does using a larger amount of water so that the mixture does not turn into a paste affect the solubility of the L-Meth-tartrate salt?

Because it's almost impossible to work with the vacuum filter when it's like a paste.

Maybe I should add freebase slowly to avoid amorphous paste solid?
 

Acab1312

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Jag skulle rekommendera frysen. I det här fallet, ju kallare desto bättre. Temperaturerna mättes aldrig, jag förvarar alltid min metanol i frysen.

-Polariteten (polarimeter testad) efter ett pass

- H20 (68-73% d)

- Metanol (71-76% d)

- Rusznak-processen, toluen som bensenersättare (fortfarande misslyckad racemisk)

- Pope - Peachey: h20/ saltsyra
(65-80 % d är tidsberoende)

Jag föredrar metoden med h20 på grund av kostnad, tid och enkelhet.

Jag hoppas att jag kunde hjälpa till.
 

lalalander

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Does using a larger amount of water so that the mixture does not turn into a paste affect the solubility of the L-Meth-tartrate salt?

Because it's almost impossible to work with the vacuum filter when it's like a paste.

Maybe I should add freebase slowly to avoid amorphous paste solid?
 
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