Recristallisation de la méthamphétamine

[fajkar]

Bonne journée, Monsieur. N'y a-t-il vraiment pas d'autre moyen d'obtenir de gros cristaux plus rapidement que d'attendre 1,5 mois ? J'ai essayé toutes les méthodes mais ça ne veut pas marcher, aidez-moi s'il vous plaît.

 

[should]

Hello sir, is there a method to rapidly crystallize racemic compounds? Crystal size doesn't matter

 

[William Dampier]

You can evaporate the acidified solution to obtain the powder immediately.

 

[G-Meth ICE]

Asking experts
Can pure free methamphetamine be acidified to methamphetamine hydrochloride by bubbling HCI without any other solvent? If 99% ethanol is added in the normal proportion, will it take a long time to acidify 20ml of free methamphetamine to hydrochloride? I tried bubbling HCI gas for two hours and it still didn't turn into acid.

 

[dnBQByvHb8Zkawbjpx]

Yes it can, this is a great way to achieve a good yield and it's shown for example in this video. I can't comment on the time, just the general principle.

 

[G.Patton]

I assume that your meth free base will be partially overoxedized by HCl gas and you can get spoiled product.

 

[pietrok]

How much is lost in this process?

 

[G.Patton]

It depends on the meth purity.