Method 1640 Tuning Standard

Isobutylbenzene, 1000µg/mL, Solvent-hexane, Unit 1mL, # of units-1, Cas.no. 538-93-2

PAH-Mix 63, 1000 ng/µl, 1ml

3,3',4,5'-Tetrachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane