PAH-Mix 9, 10µg/mL in Cyclohexane, 10ml

4,4'-Difluorobenzophenone, 100mg

Ethanol standard in water,0.2g/L,water, 3mL

Trifluoroacetic anhydride, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 407-25-0