Chlorpyrifos

N-Ethylcarbazole-3-carboxaldehyde, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 7570-45-8

Ammonium (NH4+)

1,3-Dimethyldibenzothiophene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 31317-15-4