Benzene/n-Hexane Control Standard Benzene/n-Hexane = 1:2 (Neat 1mL)

PSA-C18-Mix 6

4-Methyldiphenylmethane, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 620-83-7

Mass-Labelled PCDD/PCDF Solution/Mixture , 1.2ml , nonane