Pesticides Calibration GC-MS/MS Back Catalog number: 98681 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673528 2,4'-DDD, 100 µg/ml, Ethyl acetate, 5ml Price on request 72255 Fast Green FCF Price on request 676312 Prometryn, 100 µg/ml, Acetonitrile, 1ml Price on request