Example of Methamphetamine Isomers Separation

Sjeik

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Deve essere così...

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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Consiglio il congelatore. In questo caso, più freddo è, meglio è. Le temperature non sono mai state misurate, io conservo sempre il metanolo nel congelatore.

-La polarità (testata al polarimetro) dopo un passaggio

- H20 (68-73% d)

- Metanolo (71-76% d)

- Processo Rusznak, toluene come sostituto del benzene (ancora racemico fallito)

- Pope - Peachey: h20/acido cloridrico
(65-80% d dipende dal tempo)

Preferisco il metodo con h20 per motivi di costo, tempo e semplicità.

Spero di essere stato d'aiuto.
 

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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