Method 8121 - Surrogate Standard Back Catalog number: 95989 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673595 Fenvalerate, 10.0 µg/ml, Ethyl acetate, 10ml Price on request 676759 Bensulfuron-methyl, 100 µg/ml, Acetonitrile, 1ml Price on request X9157 5-Nitro-o-toluidine Price on request