1.04873
磷酸二氢钾
for analysis EMSURE® ISO
别名:
磷酸二氢钾 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
选择尺寸
关于此项目
Quality Level
grade
reagent grade
agency
reag. ISO, suitable for SM 5210
product line
EMSURE®
assay
≥99.5% dry basis (alkalimetric), 99.5-100.5% (alkalimetric)
form
solid
potency
>4640 mg/kg LD50, skin (Rabbit)
technique(s)
UV/Vis spectroscopy: suitable
loss
≤0.2% loss on drying, 110 °C, ≤0.2% loss on drying, 130 °C
pH
4.2-4.6 (20 °C, 20 g/L in H2O)
mp
252.6 °C (lit.)
solubility
208 g/L
density
2.338 g/mL at 25 °C (lit.)
bulk density
1200 kg/m3
anion traces
chloride (Cl-): ≤0.0005%, sulfate (SO42-): ≤0.003%
cation traces
As: ≤0.0002%, Cu: ≤0.0003%, Fe: ≤0.0010%, N: ≤0.001%, Na: ≤0.02%, Pb: ≤0.001%, heavy metals (as Pb): ≤0.0010%
storage temp.
2-30°C
SMILES string
[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
Application
- β-乳球蛋白稳定纳米乳-影响液滴大小和纳米乳稳定性的配方和工艺因素。：该研究探讨了β-乳球蛋白在纳米乳中的稳定机制，对制药和食品科学具有重要意义，可能利用磷酸一碱钾等物质来稳定和控制pH值（Ali et al., 2016）。
- 通过反相液相色谱法测定蜂蜜中磺胺噻唑残留。：讨论了一种使用反相液相色谱法检测蜂蜜中磺胺噻唑的方法，强调了分析技术的重要性，这种技术可能涉及用于样品制备和分析的试剂，如磷酸一碱钾（Barry and MacEachern, 1983）。
Analysis Note
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
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存储类别
13 - Non Combustible Solids
flash_point_f
Not applicable
flash_point_c
Not applicable
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相关内容
This page is intended to make it easier to find the consumables you need based on the analytical method you’re using. Methods included on this page come from the EPA, Standard Methods and ASTM.
Food and Beverage Campaign - Constituents and Additives - Organic Acids
全球贸易项目编号
| 货号 | GTIN |
|---|---|
| 1048730250 | 04022536056074 |
| 1048731000 | 04022536056098 |
| 1048735000 | 04022536056128 |
| 1048739025 | 04022536584263 |
| 1048739050 | 04022536056142 |