Hello everyone! I would like to extract a "pure powder" of metformin starting from metformin tablets or water-soluble solution.
Is there a way to do that, removing the excipients?
EXCIPIENT LIST
Soluble metformin: "Acesulfame potassium, Aspartame (E951) Anhydrous citric acid Erythritol, Pullulan corn starch PI-20"
Metformin tablets: "Each film-coated tablet contains: Colloidal anhydrous silica, povidone, macrogol 4000, magnesium stearate, Opadry II 85F29116 clear (polyvinyl alcohol, macrogol 3350, talc)."