Mass-Labelled PCB Sampling Standard, 1.2ml, nonane

2-Hydroxyibuprofen, 10mg

502.2 Volatile Organic std., 0,2mg/ml in MeOH, 1ml

Seco-oleanane A2-1, neat, Solvent-neat, Unit ca. 5µg, # of units-1, Cas.no.