Multi-component standard with 0,1 mg/ml of each component in methanol.

16 components: Acenaphthene Chrysene; Acenaphthylene Dibenz[a,h]anthracene; Anthracene Fluoranthene; Benzo[a]anthracene Fluorene; Benzo[a]pyrene Indeno[1,2,3-cd]pyrene; Benzo[b]fluoranthene Naphthalene; Benzo[g,h,i]perylene Phenanthrene; Benzo[k]fluoranthene Pyrene.