Method 1640Mix A Back Catalog number: 52146 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2229.12-100-IO 4'-Fluoro-2,4,6-trichlorobiphenyl, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 876009-92-6 Price on request 72818 2,4,6-Tri-tert-butylphenol Price on request 673183 Acephate, 100 µg/ml, Acetonitrile, 5ml Price on request