Citric acid [1% wt]

N-Nitroso-N-ethylaniline, 1000µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 612-64-6

Profenofos, 100 µg/ml, Toluene, 1ml

Aflatoxin B1, 2µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 1162-65-8