Mass-Labelled PCB Syringe Spike Solution, 1.2ml, nonane

1-(4-Chlorophenyl)urea, 100mg

2,2-Dibromo-2-cyano-acetamide, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 10222-01-2

Phorate-sulfone, 100 µg/ml, Acetonitrile, 1ml