1,2,4,5-Tetrachlorobenzene, 1000µg/mL in Isooctane, 1ml

N-Nitrosopiperidine, 2000µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 100-75-4

Isovaleraldehyde-DNPH, 100µg/ml in Acetonitrile, 1ml

2,2',3,4,5,6-Hexachlorobiphenyl ,100 µg/mL,isooctane,1mL,