525.2 Calibration Standard

2-Chloro[13C12]biphenyl, 50.0µg/mL in Nonane/5% toluene, 1,2ml

Secbumeton, 10.0 µg/ml, Acetonitrile, 10ml

Norcodeine, neat, Solvent-neat, Unit 250mg, # of units-1, Cas.no. 467-15-2