Method 1640Mix A Back Catalog number: 52146 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673461 Trichlorfon, 100 µg/ml, Acetonitrile, 5ml Price on request 72687 Dimethyl phthalate-d6 Price on request EU-PAH-STK Native PAH Solution/Mixture, 5µg/ml in Toluene, 1,2ml Price on request