Repeat the wash 2–3 times with fresh, cold anhydrous acetone until the filtrate runs clear (no yellow or white residue).
is often used to wash organic solids because it can dissolve lipids and various chemical residues while leaving the primary precipitate intact. washing meth with acetone free
Washing methamphetamine (meth) with acetone is a common harm reduction technique Repeat the wash 2–3 times with fresh, cold