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Merck
CN

60357

邻苯二甲酸氢钾

reference material for titrimetry, certified by BAM, >99.5%

别名:

KHP, 苯二甲酸氢钾, 邻苯二甲酸 单钾盐, 酞酸氢钾

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关于此项目

线性分子式:
HOOCC6H4COOK
化学文摘社编号:
分子量:
204.22
UNSPSC Code:
41116107
NACRES:
NA.24
PubChem Substance ID:
EC Number:
212-889-4
Beilstein/REAXYS Number:
3637128
MDL number:
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grade

reference material

Quality Level

assay

>99.5%

quality

certified by BAM

technique(s)

titration: suitable

pH

4

mp

295-300 °C (dec.) (lit.)

application(s)

environmental

format

neat

SMILES string

[K+].OC(=O)c1ccccc1C([O-])=O

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

General description

邻苯二甲酸氢钾(KHP)是严格条件下以最高精度测量产生的容量标准物。标准物的含量采用容量酸碱滴定法测定。其认证值和不确定性度量满足 ISO 指南 35 的要求。
Download your certificate at http://www.sigma-aldrich.com to view certified values, including uncertainty and expiry date.

Application

其可作为标准物质,用于在碱量滴定中标定滴定溶液。

Features and Benefits

  • 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。
  • 高纯度材料,可追溯至 NIST SRM
  • 高品质材料,可提供精准的滴定测定
  • 随附分析证书(CoA)

Analysis Note

精确浓度、有效期以及认证的详细信息请见每个包装内的证书和认证报告。含量和有效期见标签。


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存储类别

11 - Combustible Solids

wgk

WGK 1

flash_point_f

387.1 °F - Pensky-Martens closed cup

flash_point_c

197.3 °C - Pensky-Martens closed cup

ppe

Eyeshields, Gloves, type N95 (US)



历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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Purity of potassium hydrogen phthalate, determination with precision coulometric and volumetric titration--A comparison
Recknagel S, et al.
Analytica Chimica Acta, 599(2), 256-263 (2007)
Purity of potassium hydrogen phthalate, determination with precision coulometric and volumetric titration?A comparison
Recknagel S, et al.
Analytica Chimica Acta, 599, 256-263 (2007)
H Fromme et al.
Environment international, 61, 64-72 (2013-10-10)
Phthalates have been used for decades in large quantities, leading to the ubiquitous exposure of the population. In an investigation of 63 German daycare centers, indoor air and dust samples were analyzed for the presence of 10 phthalate diesters. Moreover



全球贸易项目编号

货号GTIN
PH017423-50MG04054839953361
60357-50G04061838261045