Merck
所有图片(1)

文件

1.09435

Supelco

即用型pH标准液

(citric acid/sodium hydroxide/hydrogen chloride), traceable to SRM from NIST and PTB pH 4.00 (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)

4.0 (20 °C in H2O)

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
1.094361.094391.09432
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 5.00 (20°C) Certipur®

Supelco

1.09436

缓冲溶液

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

product line

Certipur®

product line

Certipur®

product line

Certipur®

product line

Certipur®

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

pH

4.0 (20 °C in H2O)

pH

5.0 (25 °C in H2O)

pH

7.0 (20 °C in H2O)

pH

1.0 (25 °C in H2O)

density

1.01 g/cm3 at 20 °C

density

1.01 g/cm3 at 20 °C

density

1.01 g/cm3 at 20 °C

density

1.00 g/cm3 at 20 °C

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。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4.00(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

该缓冲液可用于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
  • 随附批次特定的详细分析证书(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

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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在网站页面上,产品编号会附带包装尺寸/数量一起显示(例如:T1503-25G)。请确保 在“产品编号”字段中仅输入产品编号 (示例: T1503).

示例

T1503
货号
-
25G
包装规格/数量

其它示例:

705578-5MG-PW

PL860-CGA/SHF-1EA

MMYOMAG-74K-13

1000309185

输入内容 1.000309185)

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批号可以在产品标签上"批“ (Lot或Batch)字后面找到。

Aldrich 产品

  • 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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