ISO/IEC 17025:2005

摘要

Recognised as a world leader in the production of Cerfified Standards. High Purlty Siandards (USA)manofacture on extensive range of NIST Traceable Standords and Reterence materials for both orgonic and inorgonic analyses The range of products Include Inorganic Single and Multi Element Sfandords - at 10, 1000 and 10,000g/ml concentrations.