I do not think Cobalt is in the same level of toxicity as nickel. Most of what I have read about cobalt toxicity do not indicate life threatening
symptoms exempt in smaal children. Copper salts, especially of the strong acids, have a corrosive toxicity in addition to the heavy metal toxicity.
Copper is phytotoxic and a fungicide. I am not aware of cobalt having pesticide activity. But then again nickel is not in pesticides and I do agree
they are quite toxic. |