General description: 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- and BAM-CRM.
Certified content incl. uncertainty and expiry date are given on label.
Download your certificate at: http://www.sigma-aldrich.com.
Analysis Note: 1000 mg/L Ca in ≤0.1% nitric acid, prepared with high purity CaCO3, HNO3 TraceSELECT® and water TraceSELECT®Ultra.
Legal Information: TraceCERT is a registered trademark of Sigma-Aldrich Co. LLC
Concentration: 1000 mg/L Ca+2 in nitric acid
Grade: TraceCERT®