General description: This certified reference material is produced and certified in accordance with ISO/IEC 17025 and ISO Guide 34. Information about certified contents incl. uncertainties, traceabilities and expiry date are stated in the encolsed certificate (also available as download: http://www.sigma-aldrich.com).
Preparation Note: For the preparation of this CRM only materials of highest purity (e.g. TraceSELECT® qualities) were used.
Legal Information: TraceCERT is a registered trademark of Sigma-Aldrich Co. LLC
Composition: Ag, 10 mg/L
Grade: TraceCERT®
Quality: in 10% nitric acid