525.2 Calibration Standard

1,9-Dimethyl-5-ethylphenanthrene, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.

2,3,6-Trichlorobenzoic acid, 100 µg/ml, Acetonitr

2-Thiouracil, 250mg