recrystalization

Fig 1 Starting Reagents and Materials 10 g piperine on filters 250-300 ml EtOH 88% 50 ml EtOH 40% Beakers Filter paper Funnel Heater Piperine Recrystallization Piperine is scraped into a glass Fig 2 Fig 2 Ethanol is added to piperine at heating to 40-50℃ Fig 3 Fig 3 Ethanol should turn...

If my 2 different batches of methylone have this color after recrysatlization of the methylone HCl, how can I make the crystals transparent in color, I think they look like this because of the impurities, (the white powder photo is the hydrochloride of methylone) before recrystallization.

I have a very good supplier of ephedrine made d-methamphetamine however in order to ship it safely past customs he crushes it into breadcrumbs basically. I'd like to know if I can turn this breadcrumby stuff into big beautiful shards of methamphetamine also in addition i've seen this hong...

Hey folks, as I am ordering my first P2NP soon I am looking for advice for the following subject: Recrystalization of P2NP I have read some things about this process in the forum and understood that it is recommended not only proof the quality of the P2NP but also to improve it's quality if...