Analysis Note
1000 mg/L Cr in 2% nitric acid, prepared with high purity Cr(NO3)3 x 9H2O, HNO3 TraceSELECT® and water TraceSELECT®Ultra.
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 NIST SRM. Certified content incl. uncertainty and expiry date are given on label. Information about trace impurities are stated in the enclosed certificate.
Legal Information
TraceCERT is a registered trademark of Sigma-Aldrich Co. LLC
TraceSELECT is a registered trademark of Sigma-Aldrich Co. LLC
Grade: TraceCERT®
Shelf Life: (limited shelf life, expiry date on the label)
Composition: prepared with Cr(NO3)3 x 9H2O
Concentration: 1000 mg/L Cr in nitric acid