MA - VPH Surrogate Spike Back Catalog number: 92368 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11207.12-50-ME 1H,1H,2H,2H-Perfluoro-n-octyl methacrylate-d5,50 µg/mL,MeOH,1mL, Price on request 673575 Etofenprox, 10.0 µg/ml, Ethyl acetate, 10ml Price on request 1608.12-50-IO 3-Bromo-4'-fluorodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 50904-38-6 Price on request