Internal Standard - Surrogate Mix Back Catalog number: 96032 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 680422 zeta-Cypermethrin, 100 µg/ml, Acetone, 1ml Price on request C-002N 3-Chlorobiphenyl, 50mg Price on request 53091 Trace Metals Kit Price on request