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Merck
CN
所有图片(2)

文件

1.04873

Supelco

磷酸二氢钾

for analysis EMSURE® ISO

别名:

磷酸钾 一元, 正磷酸一钾,磷酸二氢钾,磷酸一钾, prim.-磷酸钾, 磷酸二氢钾

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About This Item

线性分子式:
KH2PO4
CAS号:
分子量:
136.09
MDL编号:
UNSPSC代码:
12352302
EC索引号:
231-913-4
NACRES:
NA.21

Agency

reag. ISO
suitable for SM 5210

质量水平

产品线

EMSURE®

检测方案

≥99.5% dry basis (alkalimetric)
99.5-100.5% (alkalimetric)

形式

solid

效能

>4640 mg/kg LD50, skin (Rabbit)

技术

UV/Vis spectroscopy: suitable

缺失

≤0.2% loss on drying, 110 °C
≤0.2% loss on drying, 130 °C

pH值(酸碱度)

4.2-4.6 (20 °C, 20 g/L in H2O)

mp

252.6 °C (lit.)

溶解性

208 g/L

密度

2.338 g/mL at 25 °C (lit.)

堆积密度

1200 kg/m3

痕量阴离子

chloride (Cl-): ≤0.0005%
sulfate (SO42-): ≤0.003%

痕量阳离子

As: ≤0.0002%
Cu: ≤0.0003%
Fe: ≤0.0010%
N: ≤0.001%
Na: ≤0.02%
Pb: ≤0.001%
heavy metals (as Pb): ≤0.0010%

储存温度

2-30°C

SMILES字符串

[K+].OP(O)([O-])=O

InChI

1S/K.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)/q+1;/p-1

InChI key

GNSKLFRGEWLPPA-UHFFFAOYSA-M

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相关类别

应用


  • β-lactoglobulin stabilized nanemulsions--Formulation and process factors affecting droplet size and nanoemulsion stability.: This research explores the stabilization mechanisms of β-lactoglobulin in nanemulsions, with implications for pharmaceutical and food sciences, potentially utilizing substances like potassium phosphate monobasic for stability and pH control (Ali et al., 2016).

  • Reverse phase liquid chromatographic determination of sulfathiazole residues in honey.: Discusses a method for detecting sulfathiazole in honey using reverse-phase liquid chromatography, highlighting the importance of analytical techniques that could involve reagents like potassium phosphate monobasic for sample preparation and analysis (Barry and MacEachern, 1983).


分析说明

含量(碱定量,以干物质计算):99.5 - 100.5 %
含量测定(碱定量;干物质): ≥ 99.5 %
pH 值(5 %;水):4.2 - 4.5 C
氯化物(Cl): ≤ 0.0005 %
硫酸盐(SO₄): ≤ 0.003 %
总氮(N): ≤ 0.001 %
重金属(以铅计): ≤ 0.0010 %
As(砷): ≤ 0.0002 %
Cu(铜): ≤ 0.0003 %
Fe(铁): ≤ 0.0010 %
Na(钠): ≤ 0.02 %
Pb(铅): ≤ 0.001 %
还原物质:通过测试
干燥失重(110 °C): ≤ 0.2 %
干燥失重 (130 °C): ≤ 0.2 %
符合 ISO

法律信息

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

储存分类代码

13 - Non Combustible Solids

WGK

WGK 1

闪点(°F)

Not applicable

闪点(°C)

Not applicable


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