5-Methyl Chrysene, 5mg

Sulfamethazine, 1000µg/ml in MeOH, 1ml

Fichtelite, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2221-95-6

2,3',4,5'-Tetrachlorobiphenyl,100 µg/mL,isooctane,1mL,