Interference Standard 4 Back Catalog number: 52041 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676956 Perfluorohexadecanoic acid, 100mg Price on request 9470.16-100-ME Aceclofenac, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 89796-99-6 Price on request 1733.18-10MG 1,2-Benz[a]anthraquinone, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 2498-66-0 Price on request