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Merck
CN

P5708

Sigma-Aldrich

乙酸钾

BioXtra, ≥99.0%

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别名:
KOAc, 乙酸钾盐, 利尿盐, 醋酸钾
线性分子式:
CH3COOK
CAS号:
分子量:
98.14
Beilstein:
3595449
EC 号:
MDL编号:
UNSPSC代码:
12161700
PubChem化学物质编号:
NACRES:
NA.25

产品线

BioXtra

质量水平

检测方案

≥99.0%

形式

powder

杂质

≤0.0005% Phosphorus (P)
≤0.1% Insoluble matter

pH值(酸碱度)

7.0-9.0 (25 °C, 98.2 g/L)

溶解性

H2O: 5 M, clear, colorless

密度

1.57 g/cm3 at 25 °C (lit.)

痕量阴离子

chloride (Cl-): ≤0.003%
sulfate (SO42-): ≤0.002%

痕量阳离子

Al: ≤0.0005%
Ca: ≤0.001%
Cu: ≤0.0005%
Fe: ≤0.0005%
Mg: ≤0.0005%
NH4+: ≤0.05%
Na: ≤0.03%
Pb: ≤0.001%
Zn: ≤0.0005%

应用

agriculture

SMILES字符串

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

InChI

1S/C2H4O2.K/c1-2(3)4;/h1H3,(H,3,4);/q;+1/p-1

InChI key

SCVFZCLFOSHCOH-UHFFFAOYSA-M

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一般描述

醋酸钾(KAc)是强碱弱酸醋酸盐。它可用作缓冲剂,使酶反应和蛋白质研究维持最优的pH水平。KAc兼容生物体系,因而成为生物分子分离、纯化和分析的首选。在生物测定体系中,它还可稳定酶并维持最优条件,因而在生化研究中不可或缺。此外,KAc 是色谱和电泳技术的不二之选,有助于生物分子的分离和分析。

应用


  • Study on the Freeze-Thaw Resistance of Concrete Pavements in Seasonally Frozen Regions.: This study investigates the freeze-thaw resistance of concrete pavements in areas that experience seasonal freezing, emphasizing the role of chemical additives like potassium acetate in enhancing durability (Zhao et al., 2024).

  • Harmonising IV Oxycodone with Paediatric Perioperative Medications: A Compatibility Study Through Y-Type Connectors.: This research explores the compatibility of IV oxycodone with various paediatric perioperative medications, including potassium acetate, to ensure safe administration (Youssef et al., 2024).

  • Gene Expression of Ethanol and Acetate Metabolic Pathways in the Acinetobacter baumannii EmaSR Regulon.: This research examines the metabolic pathways of ethanol and acetate in Acinetobacter baumannii, highlighting the regulatory role of potassium acetate in gene expression (Huang et al., 2024).

生化/生理作用

醋酸钾 (KAc) 缓冲液有助于从植物和蜱虫等各类样品中提取 DNA。利用这一成分可获得可供测试更多标志物的DNA,针对同一样品测试多种标志物时强烈建议选用。在色谱和电泳技术应用中,KAc 可作为生物分子分离和分析的有效缓冲体系。此外,它还可用作活化剂,用茶叶渣制备活性炭吸附酸性蓝25(AB25)染料。

特点和优势

  • BioXtra 产品线确保高质量的产品,实现稳定的结果。
  • 高含量( ≥99.0%),,证明其纯度。
  • 粉末形式,易于处理和使用。

WGK

WGK 1

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

Eyeshields, Gloves, type N95 (US)


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A physico-chemical investigation of highly concentrated potassium acetate solutions towards applications in electrochemistry
Stigliano P L
Journal of Separation Science, 23(2) , 1139- 1145 (2021)
Volumetric behavior on interactions of $\alpha$-amino acids with sodium acetate, potassium acetate, and calcium acetate in aqueous solutions
Akhter J S and Saeeda N
Journal of Chemical and Engineering Data, 55(8) (2010)
Preparation of waste tea activated carbon using potassium acetate as an activating agent for adsorption of Acid Blue 25 dye
Auta M and Hameed BH
Chemical Engineering Journal, 171(2) (2011)
M E Fadda et al.
International journal of food microbiology, 95(1), 51-59 (2004-07-09)
The occurrence of yeast microflora in artisanal Fiore Sardo cheese during ripening was studied. Mean yeast counts ranged from 2.64+/-1 log(10) cfu ml(-1) in milk to 0.65+/-1 log(10) cfu g(-1) in 9 months cheese, with the higher counts observed in
C Yeates et al.
Letters in applied microbiology, 25(4), 303-307 (1997-11-14)
A rapid, inexpensive, large-scale DNA extraction method involving minimal purification has been developed that is applicable to various soil types. DNA was extracted from 100 g of soil using direct lysis with glass beads and sodium dodecyl sulphate (SDS) followed

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