Mass-Labelled PCB Solution, 1.2ml x 20ng/ml, nonane

Disperse Yellow 39, 50 µg/ml, Acetonitrile, 5ml

Isophthalic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 121-91-5

(6)Helicene, racemic mixture of two enantiomers, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 187-83-7