Merck
所有图片(1)

文件

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®

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等级

certified reference material

质量水平

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

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此商品
1.094321.094351.09437
Buffer solution (di-sodium hydrogen phosphate/potassium dihydrogen phosphate), traceable to SRM from NIST and PTB pH 7.00 (20°C) Certipur®

Supelco

1.09439

即用型pH标准液

Buffer solution (glycine/sodium chloride/hydrogen chloride), traceable to SRM from NIST and PTB pH 1.00 (20°C) Certipur®

Supelco

1.09432

缓冲溶液

Buffer solution (citric acid/sodium hydroxide/hydrogen chloride), traceable to SRM from NIST and PTB pH 4.00 (20°C) Certipur®

Supelco

1.09435

即用型pH标准液

Buffer solution (citric acid/sodium hydroxide), traceable to SRM from NIST and PTB pH 6.00 (20°C) Certipur®

Supelco

1.09437

缓冲溶液

product line

Certipur®

product line

Certipur®

product line

Certipur®

product line

Certipur®

bp

109 °C/1013 hPa

bp

-

bp

-

bp

-

mp

-5 °C

mp

-

mp

-

mp

-

application(s)

environmental
food and beverages
general analytical
industrial qc
pharmaceutical

application(s)

environmental
food and beverages
general analytical
industrial qc
pharmaceutical

application(s)

environmental
food and beverages
general analytical
industrial qc
pharmaceutical

application(s)

environmental
food and beverages
general analytical
industrial qc
pharmaceutical

format

mixture

format

mixture

format

mixture

format

mixture

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值在20°C 为7.00,根据DIN 19268要求,采用5点校准法,使用玻璃复合电极,以符合DIN 19266的参考缓冲溶液进行验证。

请浏览ISO证书和现场质量自评以查看当前鉴定证书。

http://www.sigma-aldrich.com下载证书 以查看认证值,包括不确定性和失效日期。

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


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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示例

T1503
货号
-
25G
包装规格/数量

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705578-5MG-PW

PL860-CGA/SHF-1EA

MMYOMAG-74K-13

1000309185

输入内容 1.000309185)

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  • 如果您查询到的批号为 TO09019TO 等,请输入去除前两位字母的批号:09019TO。

  • 如果您查询到的批号含有填充代码(例如05427ES-021),请输入去除填充代码-021的批号:05427ES。

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Buffer solution (potassium dihydrogen phosphate/di-sodium hydrogen phosphate), traceable to SRM from NIST and PTB pH 7.00 (25°C) Certipur®

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