Merck
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文件

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

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别名:
邻苯二甲酸氢钾
Empirical Formula (Hill Notation):
C8H5KO4
CAS号:
分子量:
204.22
MDL编号:
EC索引号:
212-889-4

Agency

ISO 17025
reag. Ph. Eur.

质量水平

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

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此商品
1.01965NIST84LNIST2185
Potassium hydrogen phthalate Volumetric standard, secondary reference material for alkalimetry, traceable to NIST Standard Reference Material (SRM) Certipur® Reag. Ph Eur

Supelco

1.02400

邻苯二甲酸氢钾

Potassium hydrogen phthalate certified secondary standard reference material for pH measurement; directly traceable to primary SRM from NIST/PTB pH(S) = 4.00₅ (25°C) Certipur®

Supelco

1.01965

Potassium hydrogen phthalate

Potassium hydrogen phthalate NIST® SRM® 84l

NIST84L

邻苯二甲酸氢钾

Potassium hydrogen phthalate NIST® SRM® 2185, pD standard

NIST2185

邻苯二甲酸氢钾

technique(s)

titration: suitable

technique(s)

-

technique(s)

titration: suitable

technique(s)

-

form

solid

form

-

form

-

form

crystals

potency

>3200 mg/kg LD50, oral (Rat)

potency

>3200 mg/kg LD50, oral (Rat)

potency

-

potency

-

pH

4.0 (20 °C, 50 g/L in H2O)

pH

4.0 (20 °C, 50 g/L in H2O)

pH

-

pH

-

mp

295-300 °C

mp

295-300 °C

mp

295-300 °C (dec.) (lit.)

mp

295-300 °C (dec.) (lit.)

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。其质量分数由电位滴定法确定,并在DIN EN ISO/IEC 17025认可的实验室中鉴定。

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

相关产品

产品编号
说明
价格

储存分类代码

11 - 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


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示例

T1503
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