2,3,3',5'-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL,

Semi-Volatile Standard

3,3'-Dimethylbenzidine, 100 µg/ml, Acetonitrile,

MIX 6 Ergotalkaloids mixture, 100µg/mL, dried down, Solvent-dried down, Unit 5mL, # of units-1, Cas.no.