Metronidazole, certified, 0.25g

Mass-Labelled PCB Solution/Mixture , 1.2ml, nonane

2,4,4',6-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL,

Guaiacol, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 90-05-1