EPA Method 8260B Mix #4 Back Catalog number: 82466 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 682835 3-Hydroxynaphthalene-2,7-disulfonic acid disodium Price on request 677391 D4-Diquat dibromide, 100 µg/ml, Deuterium oxide, Price on request A12097000AF-100 Decoquinate, 100µg/mL in Acetonitrile/DMF, 1ml Price on request