MCPA/ MCPP standard

d-Norpropoxyphene maleate,100 µg/mL,base aceton,1mL

PCB 180, 10.0 µg/ml, Isooctane, 10ml

3-Acetylmorphine-13C2 (acetyl-13C2),100 µg/mL,MeOH,1mL,