Pyrene Back Catalog number: 79038 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 53010 Calibration Standard Mix 1 Price on request 15900-1140-100AN5 2,4-D, 100µg/ml in Acetonitrile, 5ml Price on request 23004 EPA Method 8260B Surrogate Standard Price on request