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Example of Methamphetamine Isomers Separation

Sjeik

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Он должен быть таким...

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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Я бы рекомендовал использовать морозильную камеру. В данном случае чем холоднее, тем лучше. Температура не измерялась, я всегда храню метанол в морозильной камере.

-Полярность (проверено поляриметром) после одного прохода

- H20 (68-73% d)

- Метанол (71-76% d)

- Процесс Русзнака, толуол в качестве заменителя бензола (по-прежнему не получается рацемическая смесь)

- Поуп - Пичи: h20/соляная кислота
(65-80 % d зависит от времени)

Я предпочитаю метод с h20 из-за стоимости, времени и простоты.

Надеюсь, я смогу помочь.
 

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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