Spike Sample Standard 1 Back Catalog number: 53028 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 15900-3837-10AN5 Pethoxamid-ESA sodium, 10µg/ml in Acetonitrile, 5ml Price on request 68157 2,3,3',4,4',5'-Hexachlorobiphenyl (157) Price on request 8814.12-100-IO 2',3,5-Trichlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 37680-68-5 Price on request