1000 mg/L K in 2% nitric acid, prepared with high purity KNO3, HNO3 TraceSELECT® and water TraceSELECT®Ultra.
This certified reference material (CRM) is produced and certified in accordance with ISO/IEC 17025 and ISO Guide 34. This CRM is traceable to SI unit kg and measured against NIST SRM.
Certified content incl. uncertainty and expiry date are given on label.
Download your certificate at: http://www.sigma-aldrich.com.
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
TraceCERT is a registered trademark of Sigma-Aldrich Co. LLC
TraceSELECT is a registered trademark of Sigma-Aldrich Co. LLC
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