一般描述
该认证标准物质(CRM)根据ISO/IEC 17025和ISO 17034生产和认证。该 CRM 可追溯到 SI 单位千克,并根据 NMI 中的主要材料(例如 NIST)进行测量。
认证内容标签上给出了不确定性和失效日期。
请访问http://www.sigma-aldrich.com下载您的证书。
认证内容标签上给出了不确定性和失效日期。
请访问http://www.sigma-aldrich.com下载您的证书。
应用
It is intended to be used during the calibration of ion chromatography-based analytical techniques.
特点和优势
- Produced under ISO/IEC 17025 and ISO 17034 accreditation
- Traceable to SI unit of mole through internationally accepted institutions such as NIST or BAM
- Accompanied by a comprehensive Certificate of Analysis (CoA) (up to four pages) with data on stability, density, homogeneity, the accuracy of concentration, uncertainty, and traceability
- Gravimetrically prepared using high-quality qNMR-characterized starting materials and qualified precision balances to ensure minimal uncertainty
- Rigorously tested through real-time stability studies to ensure accuracy and shelf life
- Available in an HDPE bottle, sealed in an aluminum bag
分析说明
在水中加入 1000 mg/L 亚硝酸盐,用 NaOH 稳定至 pH 10-11,用高纯度 NaNO2、水和NaOH 配制

相关文档
化学品安全说明书(MSDS)
下载MSDS质检证书(COA)
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