Anion QC Mix Back Catalog number: 54223 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 92605 WS PAH Calibration Level 4 Price on request 675165 Ethofumesate, 100 µg/ml, Acetonitrile, 5ml Price on request 673691 Pyriproxyfen, 10.0 µg/ml, Ethyl acetate, 10ml Price on request