TraceCERT ® 镉(Cr, VI)原子吸收(AA)标准溶液, 1000 mg/L Cr 溶于硝酸。

TraceCERT®这个名字，来源于英文单词Traceability（可溯源性）和CERTified（认证）。TraceCERT®认证标准物质溶液，可溯源到至少2家标准权威机构（NIST、BAM等），并且其生产通过了ISO/IEC 17025和 ISO Guide 34 双重认证，这也被称“黄金标准”认证，即使再苛刻的分析条件，也都能满足。更多详细信息，欢迎访问我们的网站：www.sigma-Aldrich.com/tracecert
This certified reference material (CRM) is produced and certified in accordance with ISO/IEC 17025 and ISO Guide 34. This CRM is traceable to SI unit kg and measured against NIST- and BAM-CRM.
Certified content incl. uncertainty and expiry date are given on label.
Download your certificate at: http://www.sigma-aldrich.com.