PCB Congener Internal Standard Mix

4-tert-Octylphenol, 1000µg/ml in Isooctane, 1ml

Chloroxuron

Ethylenethiourea, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 96-45-7