评估使用氟烷基改性硅胶的氟亲和性以及有机溶剂中多氟烷基物质的选择性分离。

IF 2.8 3区 工程技术 Q2 CHEMISTRY, ANALYTICAL Journal of separation science Pub Date : 2024-08-27 DOI:10.1002/jssc.202400121
Atsuya Tadano, Yoshiyuki Watabe, Tetsuya Tanigawa, Sayaka Konishi-Yamada, Takuya Kubo
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引用次数: 0

摘要

在这项研究中,我们重点研究了氟化合物之间的氟亲和性,然后开发了一种新的分离介质,并对其性能进行了评估。我们使用硅胶改性氟化烷基制备了色谱柱的固定相,并使用高效液相色谱法(HPLC)将其与不含氟的典型固定相进行比较,从而研究了氟亲和性的特点。在高效液相色谱测量中,我们证实虽然所有非氟化合物都没有被保留下来,但氟化合物的保留率随着固定相中氟的数量增加而增加。我们还发现,氟亲和力的强弱随有机溶剂类型的不同而变化;溶剂的极性越强,效果越明显。此外,我们还利用固定相比较了我们的色谱柱与市售色谱柱 Fluofix-II 的效率。保留选择性几乎相同,但我们的色谱柱的绝对保留强度略高,这表明该色谱柱可以实际使用。
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Evaluation of fluorous affinity using fluoroalkyl-modified silica gel and selective separation of poly-fluoroalkyl substances in organic solvents

In this study, we focused on the fluorous affinity acting among fluorine compounds, and then developed a new separation medium and evaluated their performance. We prepared the stationary phases for a column using silica gel-modified alkyl fluoride and investigated the characteristics of fluorous affinity by comparing them with a typical stationary phase, which does not contain fluorine, using high-performance liquid chromatography (HPLC). In HPLC measurements, we confirmed that while all non-fluorine compounds were not retained, retention of fluorine compounds increased as the number of fluorine increased with the stationary phase. It also revealed that the strength of fluorous affinity changes depending on the types of the organic solvent; the more polar the solvent, the stronger the effect. Additionally, the stationary phase was employed to compare the efficiency of our column with that of a commercially available column, Fluofix-II. The retention selectivity was almost the same, but the absolute retention strength was slightly higher on our column, indicating that the column is available for practical use.

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来源期刊
Journal of separation science
Journal of separation science 化学-分析化学
CiteScore
6.30
自引率
16.10%
发文量
408
审稿时长
1.8 months
期刊介绍: The Journal of Separation Science (JSS) is the most comprehensive source in separation science, since it covers all areas of chromatographic and electrophoretic separation methods in theory and practice, both in the analytical and in the preparative mode, solid phase extraction, sample preparation, and related techniques. Manuscripts on methodological or instrumental developments, including detection aspects, in particular mass spectrometry, as well as on innovative applications will also be published. Manuscripts on hyphenation, automation, and miniaturization are particularly welcome. Pre- and post-separation facets of a total analysis may be covered as well as the underlying logic of the development or application of a method.
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