Mephedrone purification and crystallization

[Juydail]

I've seen a lot of different ways to clean meph on larger scale or how to make crystals really big for customer appeal. But my question is, which solutions for crystallization or washing methods are the best for cleaning small portions of mephedrone bought on the streets ?

I don't care how much time will it take or how large loses of product gonna be.
What is the best way to obtain the cleanest meph you can get without expensive lab equipment?

Maybe methanol solution for crystallization will hold more dirt or caffeine added by the dealer, or maybe it's washing with pure acetone, or maybe IPA washing is better, or maybe with each one of them one after the other. You get the idea.

 

[HectorFromTroy]

Theres a couple of ways to do ,that probably the most commonly used one being recrystallisation with a solvent like acetone. Perform the wash multiple-times for the best result. Another variant of going at it would be an activated charcoal filtration.