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reag. Ph. Eur.
品質等級
產品線
EMSURE®
化驗
≥99.5% dry basis (perchloric acid titration)
形狀
solid
效力
>3200 mg/kg LD50, oral (Rat)
雜質
≤0.005% In water insoluble matter
損耗
≤0.2% loss on drying, 105°C
pH值
4.0 (20 °C, 50 g/L in H2O)
mp
295-300 °C
密度
1.636 g/cm3
體積密度
900 kg/m3
負離子痕跡
chloride (Cl-): ≤0.002%
sulfur compounds (as SO42-): ≤0.005%
正離子痕跡
Cu: ≤0.0002%
Fe: ≤0.0005%
Na: ≤0.01%
Pb: ≤0.0005%
heavy metals (as Pb): ≤0.0005%
儲存溫度
2-30°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 密鑰
IWZKICVEHNUQTL-UHFFFAOYSA-M
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應用
- Coulometric method with titratable impurity analysis and mass balance method: This study presents a method to convert acidimetric purity to chemical purity for potassium hydrogen phthalate, which is validated using quantitative nuclear magnetic resonance (qNMR) techniques, enhancing the standards for analytical chemistry (Huang T et al., 2023).
- Triplet states of the nonlinear optical chromophore DCM in single crystals: Investigates the triplet excited states of the nonlinear optical chromophore DCM in potassium hydrogen phthalate single crystals, linking these states to single-molecule dark states, significant for the development of optical materials (Barbon A et al., 2009).
分析報告
含量测定(高氯酸滴定,以干燥物质计算): ≥ 99.5 %
鉴别(红外光谱):通过测试
不溶于水的物质: ≤ 0.005 %
氯化物(Cl): ≤ 0.002 %
硫化合物(以SO₄计): ≤ 0.005 %
重金属(以铅计): ≤ 0.0005 %
Cu(铜): ≤ 0.0002 %
Fe(铁): ≤ 0.0005 %
Na(钠): ≤ 0.01 %
Pb(铅): ≤ 0.0005 %
干燥失重(105 °C): ≤ 0.2 %
符合Reag. Ph Eur
鉴别(红外光谱):通过测试
不溶于水的物质: ≤ 0.005 %
氯化物(Cl): ≤ 0.002 %
硫化合物(以SO₄计): ≤ 0.005 %
重金属(以铅计): ≤ 0.0005 %
Cu(铜): ≤ 0.0002 %
Fe(铁): ≤ 0.0005 %
Na(钠): ≤ 0.01 %
Pb(铅): ≤ 0.0005 %
干燥失重(105 °C): ≤ 0.2 %
符合Reag. Ph Eur
法律資訊
EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany
儲存類別代碼
11 - Combustible Solids
水污染物質分類(WGK)
WGK 1
閃點(°F)
387.1 °F - Pensky-Martens closed cup
閃點(°C)
197.3 °C - Pensky-Martens closed cup
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实验方案
Photometric determination using the Griess method subsequent to extraction
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