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Merck
CN
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文件

1.09433

Supelco

即用型pH标准液

(citric acid/sodium hydroxide/hydrogen chloride), traceable to SRM from NIST and PTB pH 2.00 (20°C) Certipur®

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别名:
Buffer solution pH 2.00 (20°C) (citric acid/sodium hydroxide/hydrogen chloride)
UNSPSC代码:
12161704
NACRES:
NA.25

等级

certified reference material

质量水平

300

产品线

Certipur®

pH值（酸碱度）

2.0 (20 °C in H2O)

密度

1.00 g/cm3 at 20 °C

应用

environmental
food and beverages
general analytical
industrial qc
pharmaceutical

格式

mixture

储存温度

15-25°C

相关类别

一般描述

该缓冲液（柠檬酸/氢氧化钠/盐酸）采用优质试剂和高纯度的溶解用水通过重量法制备而成，并经ISO/IEC 17025认可校准实验室质控和验证。其pH值为2.00（20°C），根据DIN 19268要求，采用5点校准法，使用玻璃复合电极，参照认证一级参考标准品（符合DIN 19266、IUPAC、NIST、美国药典和欧洲药典标准）进行验证。

请访问ISO证书和现场质量自我评估以获取当前证书

请访问http://www.sigma-aldrich.com下载证书，以查看认证价值，包括不确定性和过期日期。

应用

它可用于pH测量仪的校准、验证和监测分析程序，并作为检测其他缓冲液的对照。

特点和优势

  • 经ISO/IEC 17025和ISO 17034认证实验室检测和验证
  • 可追溯至NIST SRM标准物质和PTB认证一级参考物质
  • 密封瓶装的即用型溶液，创新的Titripac® 包装减少废弃物，带来积极的环境影响
  • 3年保质期有助于长期使用
  • 随附详细和批次特定的分析证书(CoA)，便于有效审计

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

WGK 1

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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