2,4-Dibromophenol, 100 µg/ml, Methanol, 1ml

Phenyltin trichloride

1,2,3,4,6,8-Hexachlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, nonane

p-Tolualdehyde-DNPH, 100µg/ml in Acetonitrile, 1ml