Ephedrine Hydrochloride Synthesis Via NaBH4 From Ephedrone Hydrochloride
https://bbgate.com/threads/synthesis-of-ephedrine-hydrochloride-and-chemical-analysis.9537/
Normally I crystallize "stuff" in oversaturated water solution, and crystallization takes around 48 hours. I allways control exact weight of "stuff", solution and water. It means, when crystals are ready, final yeld, including the yeld from water leftovers fits with initial "stuff" weight minus...