Merck
All Photos(1)

1.09439

Supelco

即用型pH标准液

(di-sodium hydrogen phosphate/potassium dihydrogen phosphate), traceable to SRM from NIST and PTB pH 7.00 (20°C) Certipur®

等级

certified reference material

质量水平

300

产品线

Certipur®

pH值(酸碱度)

7.0 (20 °C in H2O)

bp

109 °C/1013 hPa

mp

-5 °C

密度

1.01 g/cm3 at 20 °C

application(s)

environmental
food and beverages
general analytical
industrial qc
pharmaceutical

格式

mixture

储存温度

15-25°C

一般描述

该缓冲液(磷酸氢二钠/磷酸二氢钾)采用优质盐和高纯度的溶解用水,通过重量法制备而成。它已经过ISO/IEC 17025和ISO 17034认可校准实验室的质控和验证。其pH值为7.00(20°C),根据DIN 19268要求,采用5点校准法,使用玻璃复合电极,对照参考缓冲液进行验证。

应用

磷酸氢二钠/磷酸二氢钾缓冲液可用于pH测量仪的校准、验证和监测分析程序。

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 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

储存分类代码

12 - Non Combustible Liquids

WGK

nwg

闪点(F)

Not applicable

闪点(C)

Not applicable

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Quality

Enter Lot Number to search for Certificate of Quality (COQ).

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service