COD Calibration Standard Back Catalog number: 50241 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11716.12-100-IO 2,2',3,5,6'-Pentachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request X9198 Thionazin Price on request 33851 n-Octadecane Price on request