WS Paraquat & Diquat Back Catalog number: 38131 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 18000-1495-100ME1 O-Desmethylvenlafaxin, 100µg/ml in MeOH, 1ml Price on request 80602 EPA Method 8060 QC Check Solution Price on request 98323 Custom SIM_A Standard Price on request