DOW 624 Volatile Internal/Surrogate Standard Back Catalog number: 93323 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8547.11-50-ME 2H,2H,3H,3H-Perfluoroundecanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 34598-33-9 Price on request 92285 Aromatic Internal Standard Price on request 3472.6-100-CY Pentachloroaniline, 100µg/mL, Solvent-c.hexane, Unit 1mL, # of units-1, Cas.no. 527-20-8 Price on request