Merck
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1.02400

Supelco

邻苯二甲酸氢钾

Volumetric standard, secondary reference material for alkalimetry, traceable to NIST Standard Reference Material (SRM) Certipur® Reag. Ph Eur,Reag. USP

Synonym(s):
邻苯二甲酸氢钾
Empirical Formula (Hill Notation):
C8H5KO4
CAS Number:
Molecular Weight:
204.22
MDL编号:
EC索引号:
212-889-4

Agency

ISO 17025
reag. Ph. Eur.
reag. USP

质量水平

300

形式

solid

效能

>3200 mg/kg LD50, oral (Rat)

technique(s)

titration: suitable

pH值(酸碱度)

4.0 (20 °C, 50 g/L in H2O)

mp

295-300 °C

溶解性

80 g/L

密度

1.636 g/cm3

堆积密度

900 kg/m3

储存温度

15-25°C

InChI

1S/C8H6O4.K/c9-7(10)5-3-1-2-4-6(5)8(11)12;/h1-4H,(H,9,10)(H,11,12);/q;+1/p-1

InChI key

IWZKICVEHNUQTL-UHFFFAOYSA-M

一般描述

邻苯二甲酸氢钾(KHP)是在严苛条件下生产的体积滴定标准液,并经过最高精密度测定。其质量分数通过电位滴定法测定,并经过DIN EN ISO/IEC 17025认可实验室验证。

应用

该试剂主要用于作为认证标准物质(CRM),通过酸量滴定法标定滴定溶液,符合美国和欧洲药典标准。它还用于制备测定COD的标准溶液。

特点和优势

  • 以坚固玻璃瓶装固体形式提供,确保开封前整个保质期内的稳定性。
  • 符合ISO 17034要求的认证标准物质(CRM)
  • 可溯源至NIST SRM的高纯物质
  • 经DIN EN ISO/IEC 17025认可实验室验证
  • 符合美国和欧洲药典试剂章节的标准
  • 高品质材料,可提供精准的滴定测定
  • 随附分析证书(CoA)

包装

产品包装编码(SKU-pack size number)尾数是“3”,如xxxxxx1003或xxxxxxx 4003,代表其为SmartChemical产品,通过产品标签上的RFID标记可将数据无缝传输到仪器。详情参见www.sigmaaldrich.com/SmartChemicals

法律信息

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

储存分类代码

13 - Non Combustible Solids

WGK

WGK 1

闪点(F)

387.1 °F - Pensky-Martens closed cup

闪点(C)

197.3 °C - Pensky-Martens closed cup

Certificate of Analysis

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Certificate of Quality

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