ASTM D-4815 Calibration Mix #2 Back Catalog number: 51065 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8623.44-10MG meso-Tetraphenylporphyrine, , Solvent-, Unit , # of units-, Cas.no. 20998-75-8 Price on request 675546 Chlorbufam, 10.0 µg/ml, Acetonitrile, 10ml Price on request 2767.12-50-ME 1H,1H,2H,2H-Perfluorododecan-1-ol, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 865-86-1 Price on request