Internal Standard for AB SIM Back Catalog number: 94516 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 685190 Pentanochlor, 25mg Price on request 678952 Fenchlorazol-ethyl, 10 µg/ml, Acetonitrile, 10ml Price on request 22003 EPA Method 8240A Internal Standard Price on request