Calibration Standard Mix 3 Back Catalog number: 53035 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended N-ETFOSE-M 2-(N-ethylperfluoro-1-octanesulfonamido)-ethanol, 50µg/ml in MeOH, 1,2ml Price on request 14500-0390-100AN1 Cyclopenta(c,d)pyrene,100µg/ml in Acetonitrile, 1m Price on request 680424 13C3-Caffeine, 10mg Price on request