产品详情
水杨酸/柳酸
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:http://www.sigmaaldrich.com/analytical-chromatography/analytical-standards/application-area-technique/tracecert.html
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.sigmaaldrich.com.