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Dear Customer:

The current international situation is complex and volatile, and uncertain tariff policies may potentially impact our product prices. Given these uncertainties, we value your understanding regarding order-related matters.

If you decide to place an order during this period, we reserve the right to adjust the price based on the evolving situation. We understand that market changes may cause inconvenience. We will negotiate with you if there’s a significant price fluctuation due to tariff policy changes before the order’s actual delivery, and in such cases we may adjust or cancel the order as necessary.

Merck
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主要文件

1.05104

Supelco

磷酸氢二钾

anhydrous for analysis EMSURE®

别名:

磷酸钾二元 二元, 磷酸二钾, 磷酸氢二钾

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About This Item

线性分子式:
K2HPO4
CAS号:
分子量:
174.18
MDL编号:
UNSPSC代码:
12352302
EC索引号:
231-834-5
NACRES:
NA.21

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质量水平

产品线

EMSURE®

方案

≥99.0% (alkalimetric)

表单

solid

效能

8000 mg/kg LD50, oral (Rat)

缺失

≤1% loss on drying, 130 °C

pH值(酸碱度)

9 (20 °C, 10 g/L in H2O)

溶解性

1600 g/L

密度

2.44 g/cm3 at 20 °C

堆积密度

700‑1000 kg/m3

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此商品
WHA99152504WHA99142504WHA99132502
pore size

0.45 μm

pore size

0.45 μm

pore size

0.45 μm

pore size

0.22 μm

diam.

25 mm

diam.

25 mm

diam.

25 mm

diam.

25 mm

material

PVDF membrane, polypropylene housing

material

polyethersulfone membrane, polypropylene housing

material

polyethersulfone membrane, polypropylene housing

material

PVDF membrane, polypropylene housing

fitting

female inlet fitting for Luer Lock, male outlet fitting for Slip Luer

fitting

female inlet fitting for Luer Lock, male outlet fitting for Slip Luer

fitting

female inlet fitting for Luer Lock, male outlet fitting for Slip Luer

fitting

female inlet fitting for Luer Lock, male outlet fitting for Slip Luer

sterility

sterile

sterility

sterile

sterility

sterile

sterility

sterile

应用


  • Bromination of aromatic compounds by residual bromide in sodium chloride matrix modifier salt during heated headspace GC/MS analysis.: 本研究调查了磷酸氢二钾在芳香族化合物溴化中的作用,并提供了有关其在 GC/MS 分析中的应用的见解(Fine et al., 2013)。

  • Purification of porcine pancreatic lipase by aqueous two-phase systems of polyethylene glycol and potassium phosphate.: 本研究详细介绍了如何使用磷酸氢二钾,基于双水相系统纯化猪胰脂肪酶,证明了其在生化分离过程中的实用价值(Zhou et al., 2013)。

  • Cloning, purification, crystallization and preliminary X-ray crystallographic analysis of a cyclophilin A-like protein from Piriformospora indica.: 本文讨论了磷酸氢二钾在环丝氨酸 A 样蛋白结晶过程的应用,有助于结构生物学研究(Bhatt et al., 2012)。

  • A validated enantioselective HPLC assay of dexibuprofen in dexibuprofen tablet formulations.: 使用磷酸氢二钾进行开发右布洛芬的对映选择性 HPLC 测定,增强药物分析技术 (Awad et al., 2012)。

  • Monitoring of phenylurea and propanil herbicides in river water by solid-phase-extraction high performance liquid chromatography with photoinduced-fluorimetric detection.: 本研究采用磷酸氢二钾分析河水中的除草剂含量,证明其适合环境监测和水质评估应用(de la Peña et al., 2003)。

分析说明

含量测定(碱量滴定): ≥ 99.0 %
pH值(5 %;水):8.7 - 9.3
氯化物(Cl): ≤ 0.003 %
硫酸盐(SO₄): ≤ 0.005%
总氮(N): ≤ 0.001 %
重金属(以铅计): ≤ 0.0005 %
Fe(铁): ≤ 0.0010 %
Na(钠): ≤ 0.5 %
干燥失重 (130 °C): ≤ 1.0 %

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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实验方案

Lopinavir assay setup saves time and improves efficiency with shorter columns, meeting European pharmacopoeia guidelines.

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