Perdeuterated Internal Standard-All-in-one 15 EU Priority PAHs Back Catalog number: S-4512-100-T Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 2884.30-5UG 17ß(H),18 alpha(H)-22-Methyl-28-nor-spergulane, neat, Solvent-neat, Unit ca. 5µg, # of units-1, Cas.no. Price on request 71713 Citric acid Price on request 50246 ICP-MS Internal Standard Price on request