EPA Method 8330 Analyte Back Catalog number: 79081 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2899.16-10MG 1,6-Pyrenequinone, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 17885-51-9 Price on request 8114.8-100-AN Glyoxal mono-2,4-dinitrophenylhydrazone, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 13059-68-2 Price on request 3384.12-100-AN Diquat dibromide monohydrate Price on request