PSA-GCB-Mix for 2007.01 per AOAC Back Catalog number: 675011 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 70348 Crotonaldehyde Price on request 679283 Metoprolol acid, 25mg Price on request 59909 Cations Std. Level 4 Price on request