Primary Calibration FID (EPH) Rev 1.0 Back Catalog number: 91785 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended M4H29 2',4',5'-Trichloro-4-[13C12]biphenylol, 1.2ml x 50ug/ml, toluene Price on request 96654 1,2-Dichloroethane-d4 & Toluene-d8 Price on request 83574 2,4,5-T Price on request