Calibration Std. #1

9,10-Dimethylphenanthrene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 604-83-1

2-Nitrodiphenylamine

S-Metolachlor, 1000μg/mL in Acetone, 1ml