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Example of Methamphetamine Isomers Separation

Sjeik

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Jis turi būti toks, koks yra..

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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Rekomenduočiau šaldiklį. Šiuo atveju kuo šaltesnis, tuo geriau. Temperatūra niekada nebuvo matuojama, aš visada savo metanolį laikau šaldiklyje.

-Poliariškumas (tikrinta poliarimetru) po vieno praėjimo

- H20 (68-73 % d)

- Metanolis (71-76 % d)

- Rusznak procesas, toluenas kaip benzeno pakaitalas (vis dar nepavyko raceminis)

- Pope - Peachey: h20/ druskos rūgštis
(65-80 % d priklauso nuo laiko)

Man labiau patinka metodas su h20 dėl kainos, laiko ir paprastumo.

Tikiuosi, kad galėjau padėti.
 

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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