HI, I'm looking for toxic and required concentrations of the following compounds for Arabidopsis thalianna Aluminum Sulfate Nickelous Chloride Zinc Sulfate Tin Chloride Zinc Chloride Cobalt Chloride Silver Nitrate Ferrous Sulfate Cadmium Sulfate Manganese Sulfate Thanks in advance Lizze Larkin NMIMT Bio Dept elarkin at nmt.edu