Calibration Standard Kit Back Catalog number: 52090 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended FOSA-I Perfluoro-1-octanesulfonamide , 50µg/ml in Isopropanol, 1,2ml Price on request 96759 Fatty Acids Mix #1 Price on request 678499 Quintozene, 100 µg/ml, Acetonitrile, 1ml Price on request