Interference Standard 4 Back Catalog number: 52041A Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10173.26-K-IO Hexaethylene glycol mono(p-n-octylphenyl) ether, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request EO-5377 BDE-203 (13C12,99%), 50µg/mL in Nonane, 1,2ml Price on request 72215 Niacinamide Price on request