QC Standard 2 Back Catalog number: 52085A Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675407 Azinphos-ethyl, 10.0 µg/ml, Acetonitrile, 10ml Price on request 3467.15-100-AN Oxyfluorfen Price on request 52041 Interference Standard 4 Price on request