o-Aminoazotoluene,100 µg/mL,acetonitrile,1mL,

1,2,4,6,7,9-Hexachlorodibenzo-p-dioxin , 1.2ml x 50ug/ml, nonane

Ethyltri-n-butyltin-d27 (tri-n-butyl-d27), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.

Tris(2-chloroisopropyl)phosphate, 250mg