pH 12.45 Standard @ 25°C Back Catalog number: 50708 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679887 o-Dianisidine, 100 µg/ml, Acetonitrile, 1ml Price on request 96555 Amitriptyline Price on request 677053 Flufenamic acid, 100mg Price on request