Acids Calibration Level 5 Back Catalog number: 94842 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678596 Clodinafop free acid, 100 µg/ml, Acetonitrile, 1 Price on request D-N-MEFOSA-M N-methyl-d3-perfluoro-1-octanesulfonamide, 50µg/ml in MeOH, 1,2ml Price on request 95061 Aliphatic Alkane Mixture 2 Price on request