1000 mg/L La in 2% nitric acid, prepared with high purity La2O3, HNO3TraceSELECT® 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 NIST SRM.
Certified content incl. uncertainty and expiry date are given on label.
Download your certificate at: http://www.sigma-aldrich.com.