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Please help me improve some of my knowledge, because currently I can't find any relevant solutions.
After I kept trying to recrystallize D-methamphetamine, every time it turned into white transparent crystals (almost completely transparent, like glass), I asked a local manufacturer to check my sample and told me that the taste of the product met the requirements, but the crystals needed to be re-crystallized. It is harder. What parts of the synthesis should I pay attention to, or what methods can be used to increase the crystal hardness?
Additional inquiries:
I crystallize D-methamphetamine. After each crystallization is completed, I take out the solid and keep the remaining liquid and put it in the refrigerator to crystallize again. These products are also D-methamphetamine, right, and they can continue to crystallize. Is it right until D-methyl oil completely becomes crystal?
Please advise, thank you for your help
After I kept trying to recrystallize D-methamphetamine, every time it turned into white transparent crystals (almost completely transparent, like glass), I asked a local manufacturer to check my sample and told me that the taste of the product met the requirements, but the crystals needed to be re-crystallized. It is harder. What parts of the synthesis should I pay attention to, or what methods can be used to increase the crystal hardness?
Additional inquiries:
I crystallize D-methamphetamine. After each crystallization is completed, I take out the solid and keep the remaining liquid and put it in the refrigerator to crystallize again. These products are also D-methamphetamine, right, and they can continue to crystallize. Is it right until D-methyl oil completely becomes crystal?
Please advise, thank you for your help