Surrogate Standard Stock Solution, 1.2ml, nonane

4-Aminoazobenzene, 100 µg/ml, Acetonitrile, 1ml

Propionic acid

2,3,3',4',6-Pentachlorobiphenyl, 100µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 38380-03-9