Calibration Standard Set Back Catalog number: 52042 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9754.17-100-IO n-Butyl n-pentyl phthalate, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 3461-29-8 Price on request 23015 CLP Semi-Volatile Acid Surrogate Standard Price on request 3219.19-K-IO 10-cis,13-cis-Nonadecadienoic acid , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 29204-20-4 Price on request