MA - VPH Primary Calibration Spike Back Catalog number: 91757 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended PFECHS Perfluoro-4-ethylcyclohexanesulfonate, 50µg/ml in MeOH, 1,2ml Price on request 2129.12-K-IOX10 Arochlor 1260 , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 11096-82-5 Price on request 3054.28-100-IO alpha alpha alpha (20R,24R)-24-Methylcholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 50897-35-3 Price on request