Interference Standard 1 Back Catalog number: 53039 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1026.18-500-IO 9-n-Butylphenanthrene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 10394-57-7 Price on request 71458 Octafluoronaphthalene Price on request 11162.1-2K-ME Carbon-13C1-tetrachloride,2000 µg/mL,MeOH,1mL, Price on request