Calibration Standard Mix 2 Back Catalog number: 53044 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10520.10-K-AN (±)-Nicotine-2,4,5,6-d4 (pyridine-d4),1000 µg/mL,acetonitrile,1mL, Price on request 71718 1-Phenylnonane Price on request 95665 Internal Standard Price on request