VPH Primary Calibration Rev 1.1 Back Catalog number: 51167 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673973 4-Nitrophenol, 10.0 µg/ml, Acetonitrile, 10ml Price on request 70954 Azinphos methyl, 1000µg/ml in MeOH, 1ml Price on request 675071 Quizalofop, 50mg Price on request