Nitrate as (NO3-) Back Catalog number: 50401 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C-189N 2,3,3',4,4',5,5'-Heptachlorobiphenyl, 5mg Price on request 676492 D8-4,4'-DDE, 10mg Price on request EPA-8327STK EPA Method 8327 Native PFAS Solution, 2µg/ml in MeOH, 1,2ml Price on request