Semi-Volatile Mix Back Catalog number: 93893 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9128.18-K-IO Triphenyltin-d15 chloride, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 358731-94-9 Price on request 2574.26-5MG Benzo[a]pentacene, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 239-98-5 Price on request 51072 ASTM D-4815 Internal Standard Price on request