4-Aminoazobenzene,100 µg/mL,acetonitrile,1mL,

4-Methoxy-4'-chlorobiphenyl, 100µg/ml in IO, 1ml

Ochratoxin A, 10.0 µg/ml, Acetonitrile, 5ml

L-Glutamic-2,3,3,4,4-d5 acid,1000 µg/mL,0.1 mol/L hydrochloric acid,1mL,