推荐产品
等级
ACS reagent
质量水平
检测方案
99.95-100.05% dry basis
形式
crystals
质量
acidimetric standard
杂质
≤0.002% S compounds
≤0.003% Cl compounds
≤0.005% insolubles
pH值（酸碱度）
4.00-4.02 (25.0 °C±0.2 °C, 0.05 M)
mp
295-300 °C (dec.) (lit.)
痕量阳离子
Fe: ≤5 ppm
Na: ≤0.005%
heavy metals: ≤5 ppm (by ICP)
SMILES字符串
[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
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应用
邻苯二甲酸氢钾可用作酸量滴定的一级标准品，也可用于制备用于 pH 校准的邻苯二甲酸氢钾缓冲液。
WGK
WGK 1
个人防护装备
Eyeshields, Gloves, type N95 (US)
Determination of standard pH values for potassium hydrogen phthalate reference buffer solutions in 10, 20, 50, 64 and 84.2 wt per cent methanol/water mixed solvents at temperatures from 283.15 to 313.15 K.
Mussini T, et al.
Electrochimica Acta, 28(11), 1593-1598 (1983)
2, 4, 6-Trinitrobenzoic acid as a primary standerd in acidimetry.
Smith GF and Wilkins DH.
Analytica Chimica Acta, 8, 209-216 (1953)
J M Padró et al.
Talanta, 107, 95-102 (2013-04-20)
Dispersive ionic liquid-liquid microextraction combined with liquid chromatography and UV detection was used for the determination of two antichagasic drugs in human plasma: nifurtimox and benznidazole. The effects of experimental parameters on extraction efficiency-the type and volume of ionic liquid
Martha M Téllez-Rojo et al.
The Science of the total environment, 461-462, 386-390 (2013-06-12)
Previous studies suggest that prenatal phthalate exposure affects neurodevelopment and behavior during the first years of life. To evaluate the effect of maternal urinary concentrations of phthalate metabolites during pregnancy on mental and psychomotor development in children 24-36 months of
Randi J Bertelsen et al.
Environmental health perspectives, 121(2), 251-256 (2012-11-21)
High-molecular-weight phthalates in indoor dust have been associated with asthma in children, but few studies have evaluated phthalate biomarkers in association with respiratory outcomes. We explored the association between urinary concentrations of phthalate metabolites and current asthma. In a cross-sectional
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