Example of Methamphetamine Isomers Separation

Sjeik

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Il faut que ce soit comme ça...

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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Je recommanderais le congélateur. Dans ce cas, plus c'est froid, mieux c'est. Les températures n'ont jamais été mesurées, je stocke toujours mon méthanol au congélateur.

-La polarité (polarimètre testé) après un passage

- H20 (68-73% d)

- Méthanol (71-76% d)

- Procédé Rusznak, toluène comme substitut du benzène (toujours pas de racémique)

- Pope - Peachey : h20/acide chlorhydrique
(65-80 % d en fonction du temps)

Je préfère la méthode à l'h20 pour des raisons de coût, de temps et de simplicité.

J'espère pouvoir vous aider.
 

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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