Primary Calibration FID (EPH) Rev 1.0 Back Catalog number: 91785 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 53013 Calibration Standard Mix 4 Price on request L20010500IO PCB No. 105, 10µg/mL in Isooctane, 10ml Price on request X9084 4-Dimethylaminoazobenzene Price on request