Calibration Standard Kit Back Catalog number: 52090 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended R641000 Ropinirole Hydrochloride, 25mg Price on request 680951 Glycyrrhizic acid, 100mg Price on request LGCAMP0491.03-01 9-Hydroxyrisperidone, 1.0mg/ml in MeOH, 1ml Price on request