Chlorpyrifos, 100 µg/ml, Acetonitrile, 5ml

9-Nitroanthracene-d9, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 220381-38-4

1,2,4,5-Tetrachlorobenzene-d2, 1000µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 1198-57-8

n-Eicosane, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 112-95-8