3,3’-Dimethylbenzidine

Sodium (Na), 1000µg/ml in 2%-HNO3/Water, 100ml

Diacenaphthyleno[1,2-b;1',2'-d]thiophene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 203-42-9

1,2,3,7,8-Pentachlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, nonane