ICP 铬标准品

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.

溶于 2% 硝酸的 1000mg/L 的 Cr 溶液，用高纯 (NH₄)₂Cr₂O₇、HNO₃ 和 水制备

For a complete product listing of our ICP and AAS range, including technical information and example certificates, please visit ICP & AAS standards website.

Detailed information on our complete workflow solutions for ICP-AAS can be found in our Brochure: High-Purity Chemicals for Inorganic Trace Analysis.

In our effort to be more sustainable, we′re going digital with COAs-download them directly from our website.

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

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