Calibration Standard Mix 4 Back Catalog number: 53046 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 685905 D8-2,4'-DDT, 5mg Price on request S-FC2241S-1.2ML Metolachlor (ring-13C6), 100µg/ml in n-Nonane, 1,2ml Price on request 91825 WS 038 Pesticide AMP 4 Price on request