Example of Methamphetamine Isomers Separation

Sjeik

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Tiene que ser así..

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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Yo recomendaría el congelador. En este caso, cuanto más frío, mejor. Las temperaturas nunca se midieron, yo siempre almaceno mi metanol en el congelador.

-La polaridad (polarímetro probado) después de una pasada

- H20 (68-73% d)

- Metanol (71-76% d)

- Proceso Rusznak, tolueno como sustituto del benceno (sigue fallando racémico)

- Pope - Peachey : h20/ácido clorhídrico
(65-80 % d depende del tiempo)

Prefiero el método con h20 por coste, tiempo y simplicidad.

Espero haber podido ayudar.
 

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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