GFAA Initial Calibration Verification Back Catalog number: 53315 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1561.9-1G n-Nonane-d20, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 121578-11-8 Price on request 73306 Methyl docosanoate Price on request M4PFHPA Perfluoro-n-[1,2,3,4-13C4]heptanoic acid, 1.2ml x 50ug/ml, methanol Price on request