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)
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 |
|---|---|
| PH017423-50MG | 04054839953361 |
| 60357-50G | 04061838261045 |