eluant

简明释义

[ˈeljuːənt][ˈeljʊənt]

n. [分化] 洗提液

英英释义

A solvent used in chromatography to separate substances from a mixture.

在色谱法中用于将混合物中的物质分离的溶剂。

单词用法

eluant solution

洗脱液

eluant flow rate

洗脱流速

use of eluant

使用洗脱剂

selection of eluant

洗脱剂的选择

同义词

solvent

溶剂

The solvent is used to dissolve the sample before analysis.

在分析之前,溶剂用于溶解样品。

extractant

提取剂

An extractant can selectively remove certain compounds from a mixture.

提取剂可以选择性地从混合物中去除某些化合物。

reagent

试剂

A reagent is necessary for the chemical reaction to occur.

试剂对于化学反应的发生是必要的。

反义词

retentate

滞留物

The retentate contains the uneluted substances after the chromatography process.

在色谱过程中,滞留物包含未被洗脱的物质。

adsorbent

吸附剂

The adsorbent material captured the target molecules during the filtration.

吸附材料在过滤过程中捕获了目标分子。

例句

1.The eluant was selected by TLC and TLC was also used to identify the effect of the TLC separation, and the molecular constructures were characterized by IR.

采用薄层色谱法(TLC)确定柱层析的洗脱剂,并检测柱层析的分离效果,采用红外光谱法(IR)进行结构分析。

2.With hydrochloric acid as eluant, the procedure can be greatly simplified.

采用稀盐酸作淋洗剂,大大简化了检测手续,经济简便。

3.A simple and efficient method for concentration of enteroviruses from water sample was established based on the membrane adsorption-elution method combined with eluant concentration.

在膜吸附-洗脱和洗脱液浓缩相结合的基础上,建立了一种简便实用的水中肠道病毒浓缩方法。

4.MethodsThe orthogonal test was adopted to study the eluting effect of MDG with the elution rate as an index, and concentration of eluant, amount, elution velocity as the influence factors.

方法以猫豆胍洗脱率为考察指标,运用正交实验法考察了洗脱液浓度、用量和洗脱速度对洗脱效果的影响。

5.The adsorption effect of GPC column, the choice of detection method and the influence of added salts in eluant were examined experimentally.

对于色谱柱的吸附效应、检测方法的选择以及淋洗剂组成的影响,进行了实验考察。

6.MethodsThe orthogonal test was adopted to study the eluting effect of MDG with the elution rate as an index, and concentration of eluant, amount, elution velocity as the influence factors.

方法以猫豆胍洗脱率为考察指标,运用正交实验法考察了洗脱液浓度、用量和洗脱速度对洗脱效果的影响。

7.Ammonium chloride is a better eluant, and L-leucine and L-valine can be separated successfully by gradient elution.

结果以氯化铵作洗脱剂进行梯度洗脱,成功的将l亮氨酸与l缬氨酸分离。

8.It has the following characteristics 1. Chromate eluant is used.

它具有如下特点:(1)使用了铬酸盐洗脱液。

9.These problems have been obviated by supporting the glassy material on a porous membrane remote from the eluant.

通过将玻璃质物质支承在远离洗提液的多孔薄膜上来克服这些问题。

10.The chemist used an eluant to separate the components of the mixture.

化学家使用了一个洗脱剂来分离混合物的成分。

11.In chromatography, the choice of eluant can greatly affect the separation efficiency.

在色谱法中,洗脱剂的选择会极大地影响分离效率。

12.After running the experiment, the scientist analyzed the eluant for impurities.

实验结束后,科学家分析了洗脱剂中的杂质。

13.The eluant must be compatible with the stationary phase for optimal results.

洗脱剂必须与固定相兼容,以获得最佳效果。

14.A polar eluant was chosen to enhance the solubility of the target compound.

选择了极性洗脱剂以增强目标化合物的溶解度。

作文

In the field of chemistry, the term eluant refers to a solvent that is used to extract or separate substances from a solid material during a process called elution. This process is crucial in various applications, including chromatography, where different components of a mixture are separated based on their interactions with the stationary phase and the eluant. The choice of an appropriate eluant can significantly affect the efficiency and effectiveness of the separation process.For instance, in liquid chromatography, an eluant can be a liquid solvent or a mixture of solvents that helps to carry the analytes through the column. The nature of the eluant—its polarity, pH, and ionic strength—can influence how well different compounds are eluted from the stationary phase. A more polar eluant will generally elute polar compounds more efficiently, while non-polar compounds may require a less polar eluant for effective separation.Understanding the role of the eluant is essential for chemists who aim to optimize their separation techniques. For example, if a chemist is working with a mixture of organic compounds, selecting the right eluant can lead to better resolution of peaks in chromatographic analysis, allowing for more accurate identification and quantification of the components present in the sample.Moreover, the concept of eluant extends beyond just chromatography. In various extraction processes, such as solid-phase extraction (SPE), the eluant serves to wash away the target analytes from the sorbent material. The efficiency of this step is critical, as it determines the yield and purity of the extracted substances. Therefore, understanding the properties of potential eluants is vital for achieving optimal results in analytical procedures.Furthermore, the choice of eluant can also impact environmental sustainability. Some traditional solvents used as eluants can be harmful to the environment and human health. As a result, researchers are increasingly exploring greener alternatives that can serve as effective eluants without compromising the quality of the separation process. This shift towards sustainable practices highlights the importance of innovation in the field of chemistry, where the selection of a eluant can reflect both scientific rigor and environmental responsibility.In conclusion, the term eluant is integral to the study and application of various chemical processes, particularly in separation techniques like chromatography. By carefully selecting the appropriate eluant, chemists can enhance the efficiency of their experiments, improve the resolution of their results, and contribute to more sustainable practices in the laboratory. As we continue to advance our understanding of chemical interactions, the role of the eluant will undoubtedly remain a focal point in the quest for better analytical methods and greener solutions in chemistry.

在化学领域,术语eluant指的是一种溶剂,用于在称为洗脱的过程中从固体材料中提取或分离物质。这个过程在各种应用中至关重要,包括色谱法,其中混合物的不同组分根据其与固定相和eluant的相互作用进行分离。选择合适的eluant可以显著影响分离过程的效率和效果。例如,在液相色谱中,eluant可以是液体溶剂或溶剂混合物,有助于将分析物通过柱子传送。eluant的性质——极性、pH值和离子强度——会影响不同化合物从固定相洗脱的效果。更极性的eluant通常会更有效地洗脱极性化合物,而非极性化合物可能需要较少极性的eluant才能有效分离。理解eluant的作用对于希望优化分离技术的化学家来说至关重要。例如,如果一位化学家正在处理有机化合物的混合物,选择合适的eluant可以改善色谱分析中峰的分辨率,从而更准确地识别和定量样品中存在的组分。此外,eluant的概念不仅限于色谱法。在各种提取过程中,例如固相提取(SPE),eluant用于将目标分析物从吸附材料中冲洗掉。这一步的效率至关重要,因为它决定了提取物质的产量和纯度。因此,了解潜在eluants的性质对于在分析过程中获得最佳结果至关重要。此外,eluant的选择也会影响环境可持续性。一些作为eluants使用的传统溶剂可能对环境和人类健康有害。因此,研究人员越来越多地探索绿色替代品,这些替代品可以作为有效的eluants而不妨碍分离过程的质量。这种向可持续实践的转变突显了化学领域创新的重要性,其中eluant的选择可以反映科学的严谨性和环境责任感。总之,术语eluant在各种化学过程的研究和应用中是不可或缺的,特别是在色谱法等分离技术中。通过仔细选择合适的eluant,化学家可以提高实验的效率,改善结果的分辨率,并为实验室中的可持续实践做出贡献。随着我们继续加深对化学相互作用的理解,eluant的作用无疑将继续成为追求更好分析方法和更绿色解决方案的中心点。