Ferric Chloride may stain if you spill it, but those HCl fumes sound far more unpleasant. In the workshop where I do my etching I have a fair bit of expensive equipment – a lathe, CNC mill ...

Almy,T. P., Swift, K., and Tolstoi, E. Treatment of diabetic acidosis and diabetic coma. J.A. M. A. 129:863–868, 1945.

IT has recently been reported1 that in dimethylformamide solution, ferric chloride can photo-initiate the polymerization of acrylonitrile. We, also, have found during the course of another ...