2,4,8-Trichlorodibenzofuran, 1.2ml x 50ug/ml, nonane

Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane

2,3,3',4,4',5,5'-Heptabromobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 88700-06-5

Thiourea