QC Standard 1 Back Catalog number: 52084 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended N-12738-250MG Oxolinic acid, 250mg Price on request 682213 Metribuzin-diketo, 5mg Price on request 673367 Fenthion-sulfoxide, 100 µg/ml, Acetonitrile, 5ml Price on request