铬（III）ICP标准液

This certified reference material (CRM) is produced in accordance with ISO 17034 and characterized in accordance with ISO/IEC 17025. This CRM is traceable to SI unit kg and measured against primary material from a National Metrology Institute (NMI), e.g. NIST.

Please visit ISO certificates and Site Quality Self-Assessments to access the current certificates of accreditation.

Download your certificate at https://www.sigma-aldrich.com to view certified values, including uncertainty, date of expiry, and detailed information about trace impurities.

Chromium ICP standard can be used as a calibration standard in the elemental analysis of contaminated water by inductively coupled plasma-atomic emission spectrometry (ICP-AES).

1 g/L Cr(III) in 2% nitric acid, prepared with high purity Cr(NO₃)₃.9H₂O, HNO₃, and water

For a complete product listing of our TraceCERT^® range of CRMs for ICP and AAS, technical information and example certificates, please visit our ICP & AAS standards website

TraceCERT is a registered trademark of Merck KGaA, Darmstadt, Germany