Example of Methamphetamine Isomers Separation

Sjeik

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Det skal være sådan her.

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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Jeg vil anbefale fryseren. I dette tilfælde, jo koldere jo bedre. Temperaturerne blev aldrig målt, jeg opbevarer altid min methanol i fryseren.

Polariteten (polarimeter-testet) efter én gennemløbning

- H20 (68-73% d)

- Methanol (71-76% d)

- Rusznak-processen, toluen som benzenerstatning (stadig mislykket racemisk)

- Pope - Peachey: h20/saltsyre
(65-80 % d er tidsafhængig)

Jeg foretrækker metoden med h20 på grund af omkostninger, tid og enkelhed.

Jeg håber, jeg kunne hjælpe.
 

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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