Perfluorononanesulfonic acid, 50µg/ml in MeOH, 1ml

2,5-Dimethylphenanthrene , 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 3674-66-6

S-Metolachlor, 100 µg/ml, Acetone, 1ml

L-Ascorbic Acid-13C6, 1mg