ASTM D-4815 Quantitation Peak ID Mix Back Catalog number: 51070 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71220 n-Tetracontane Price on request 98653 PAH Standard (20 ppm) Price on request 2182.48-10MG n-Octatetracontane, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 7098-26-2 Price on request