Dimefuron, 10.0 µg/ml, Acetonitrile, 10ml

Total Iron (Fe(II) and Fe(III))

Diquat dibromide monohydrate,100 µg/mL (as Diquat),MeOH,1mL,

1,4-Dimethylnaphthalene, 10 µg/ml, Cyclohexane,