Diphenylamine Back Catalog number: 90447 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended M10038B 6.44 ppt TDS solution (box of 25x20mL sachet) Price on request 94591 PAH Standard Price on request 1725.30-200-T Dibenzo[a,l]pentacene ('1,2:8,9-Dibenzopentacene), 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 227-09-8 Price on request