flask and dropper with solution of potassium permanganate

and backgrounds capacity chemical chemistry clear clinic color computer cone conical container discovery dropper drugs equipment erlenmeyer experiment filled flask fluid glass glassware healthcare hygiene icon illustration instrument inventory invitro lab laboratory liquid medical medicine mortar permanganate pharmaceutical pharmacology pharmacy pink potassium practicing purple reagents research residue school schuster science scientific set shape solution substance symbol test tincture tool transparent two university vector vessel volume with