1000 mg/L Se in 2% nitric acid, prepared with high purity selenium metal, 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.
content incl. uncertainty and expiry date are given on label.
Information about trace impurities are stated in the enclosed
certificate (available as download: http://www.sigma-aldrich.com).
TraceCERT is a registered trademark of Sigma-Aldrich Co. LLC
TraceSELECT is a registered trademark of Sigma-Aldrich Co. LLC
TransferMan is a registered trademark of Eppendorf-Netheler-Hinz GmbH