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Example of Methamphetamine Isomers Separation

Sjeik

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Tak właśnie musi być.

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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Polecam zamrażarkę. W tym przypadku im zimniej, tym lepiej. Temperatury nigdy nie były mierzone, zawsze przechowuję metanol w zamrażarce.

-Polaryzacja (testowana polarymetrem) po jednym przejściu

- H20 (68-73% d)

- Metanol (71-76% d)

- Proces Rusznaka, toluen jako substytut benzenu (wciąż nieudany racemiczny)

- Pope - Peachey: h20/kwas chlorowodorowy
(65-80% d zależy od czasu)

Preferuję metodę z h20 ze względu na koszty, czas i prostotę.

Mam nadzieję, że mogłem pomóc.
 

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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