Mixed Calibration Standard 1 Back Catalog number: 52335 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended N-ETFOSAA N-ethylperfluoro-1-octanesulfonamidoacetic acid, 50µg/ml in MeOH, 1ml Price on request 19107 EPA Method 611 - Analytes Price on request 684904 N,N-Dimethylvaleramide, 250mg Price on request