Formaldehyde

4-n-Nonylphenol-2,3,5,6-d4, 100µg/ml in MeOH, 5ml

Acenaphthene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 83-32-9

Custom mix of C10-C16 alkyl PAHs, 25 components each 2µg/mL in Toluene (Sigma quality 155004, ACS Spectrophotometric grade): Prepared gravimetrically by weighing components and solvent to a calculated 0,2mg/mL. This product has been diluted gravimet