PAH standard, 100µg/ml in methylene chloride, 1ml Back Catalog number: 93013 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 8242.18-100-IO 1-Nitrotriphenylene-d11, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 31039 Picloram methyl derivative Price on request DF-IS-I Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request