pH 2.0 Standard @ 25°C

Sulfachloropyridazine, 100 µg/ml, Acetonitrile,

Simazine, 10.0 µg/ml, Acetonitrile, 10ml

3,4-Dimethylphenanthrene , 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 66291-31-4