铬 AAS 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 and expiry date.

铬标准品已被用作石墨炉原子吸收光谱法（GFAAS）分析中的参考标准品，用于测定体液中的铬。

1 g/L Cr 2%硝酸，使用高纯度(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.

有关用于ICP和AAS的TraceCERT系列CRM的完整产品列表、技术信息和示例证书，请访问我们的无机TraceCERT网站。

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