WS PAH Calibration Level 4 Back Catalog number: 92605 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1132.12-15K-10IO n-Dodecane, Selectivity Check Standard, 1.5Wt%, Solvent-isooctane, Unit 10mL, # of units-1, Cas.no. 112-40-3 Price on request 676296 Isopyrazam, 10.0 µg/ml, Acetonitrile, 10ml Price on request XA12210000AL Diazinon, 100µg/mL in Acetonitrile, 1ml Price on request