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1.09461

Supelco

即用型pH标准液

(boric acid/potassium chloride/sodium hydroxide), traceable to SRM from NIST and PTB pH 9.00 (20°C) Certipur®

别名:

缓冲溶液pH 9.00（20°C）（硼酸/氯化钾/氢氧化钠）

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About This Item

UNSPSC代码:
12161705
NACRES:
NA.25

等级

certified reference material

质量水平

300

产品线

Certipur®

pH值（酸碱度）

9.0 (20 °C in H2O)

密度

1.0 g/cm3 at 20 °C

应用

environmental
food and beverages
general analytical
industrial qc
pharmaceutical

包装形式

mixture

储存温度

15-25°C

相关类别

一般描述

经认证的硼酸/氯化钾/氢氧化钠缓冲溶液采用优质试剂根据DIN EN ISO/IEC 17025通过重量法制备而成。其pH值为9.00，在20°C下，采用5点校准方法，使用组合玻璃电极测量。测量是按照DIN 19268采用符合DIN 19266、NIST、IUPAC、欧洲药典和美国药典的参考缓冲溶液。其pH值强烈依赖于温度，因此在使用过程中必须保持恒定的温度。

请访问ISO认书和站点质量自我评估以获取当前认证证书。

通过http://www.sigma-aldrich.com下载您的证书，以查看认证值，包括不确定性和到期日。

应用

本缓冲液可用作pH测量仪器或pH电极的的校准标准液，并可用作测量溶液pH值的对照溶液。

特点和优势

  • 经ISO/IEC 17025和ISO 17034认可实验室检测和验证
  • 可追溯至NIST 二级参考标准物质和PTB一级有证参考标准物质
  • 即用型溶液。
  • 密封塑料瓶装、可持续Titripac®包装，减少废弃物的产生
  • 随附详细和批次特定的分析证书(CoA)，便于有效审计
  • 产品标签遵循ISO指南31，包含订购号、物品描述、批号、安全数据和有效期的信息
  • 包装材料已按照ISO指南35进行详细稳定性研究

法律信息

CERTIPUR is a registered trademark of Merck KGaA, Darmstadt, Germany
Titripac is a registered trademark of Merck KGaA, Darmstadt, Germany

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储存分类代码

12 - Non Combustible Liquids

WGK

nwg

闪点(°F)

Not applicable

闪点(°C)

Not applicable

分析证书(COA)

输入产品批号来搜索 分析证书(COA) 。批号可以在产品标签上"批“ （Lot或Batch）字后找到。

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