Analysis Note

1000 mg/L K in 2% nitric acid, prepared with high purity KNO₃, HNO₃ and water

Application

Potassium standard has been used as a calibration standard to determine the concentration of potassium present in minced beef using atomic absorption spectrophotometry(AAS).

General description

This certified reference material (CRM) is produced and certified in accordance with ISO/IEC 17025 and ISO 17034. This CRM is traceable to SI unit kg and measured against primary material from an NMI, e.g. NIST.Certified content incl. uncertainty and expiry date are given on the certificate. Download your certificate at: http://www.sigma-aldrich.com.

Legal Information

TraceCERT is a registered trademark of Sigma-Aldrich Co. LLC

Other Notes

For a complete product listing of our TraceCERT range of CRMs for ICP and AAS, technical information and example certificates please visit our inorganic TraceCERT website