Tetradifon, 10.0 µg/ml, Ethyl acetate, 10ml

Ammonia as (NH4+)

Nuarimol, 100 µg/ml, Acetonitrile, 1ml

Sodium bis(1H,1H,2H,2H-perfluorooctyl)phosphate, 1.2ml x 50ug/ml, methanol