PAH Internal Standard Spiking Solution, 1.2ml, isooctane

1,4-Dibromonaphthalene, 50µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 83-53-4

4-Methylchrysene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 3351-30-2

DNPH - Mix 4, 10µg/ml in Acetonitrile, 5ml