Ferrous Iron (Fe)

2,4,6-Trichlorophenol, 100 µg/ml, Acetonitrile,

2,4,6-tris(2,4,6-Tribromophenoxy)-1,3,5-triazine, 100µg/ml in TO, 1ml

Acetaminophen, 100 µg/ml, Acetonitrile, 1ml