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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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:
InChI key
IWZKICVEHNUQTL-UHFFFAOYSA-M
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
SMILES string
[K+].OC(=O)c1ccccc1C([O-])=O
grade
reference material
assay
>99.5%
quality
certified by BAM
Quality Level
technique(s)
titration: suitable
pH
4
mp
295-300 °C (dec.) (lit.)
application(s)
environmental
format
neat
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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。
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, 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(2), 256-263 (2007)
Acid- Base Dissociation Constants of o-Phthalic Acid in Acetonitrile/Water Mixtures over the (15 to 50)? C Temperature Range and Related Thermodynamic Quantities
Gagliardi GL, et al.
Journal of Chemical and Engineering Data, 55(1), 85-91 (2010)
Maria Cristina Fossi et al.
Marine pollution bulletin, 64(11), 2374-2379 (2012-09-12)
Baleen whales are potentially exposed to micro-litter ingestion as a result of their filter-feeding activity. However, the impacts of microplastics on baleen whales are largely unknown. In this case study of the Mediterranean fin whale (Balaenoptera physalus), we explore the
Hanne Frederiksen et al.
Environmental science & technology, 47(2), 958-967 (2012-12-14)
Urinary phthalate excretion is used as marker of phthalate exposure in epidemiological studies. Here we examine the reliability of urinary phthalate levels in exposure classification by comparing the inter- and intrasubject variation of urinary phthalate metabolite levels. Thirty-three young healthy
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