使用注射器将吸附物质引入无吸附剂色谱柱时提高气相色谱输入信号的信息量

IF 0.7 4区化学 Q4 CHEMISTRY, PHYSICAL

Russian Journal of Physical Chemistry A Pub Date : 2024-11-18 DOI:10.1134/S0036024424702091

A. V. Larin

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引用次数: 0

摘要

实验用注射器以不同的氦气流速在无吸附剂的色谱柱上引入甲烷。实验发现，在这种情况下产生的输入信号可以用洗脱曲线方程来描述，该方程是线性吸附动力学直接问题的正确解决方案。另一个例子表明，相同流速下的输入信号相互吻合得很好。通过计算输入信号最大值左右两侧的重心，大大扩展了信息含量。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Increased Informativeness of the Input Signal in Gas Chromatography when Using a Syringe to Introduce the Adsorbed Substance into a Column with No Adsorbent

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Increased Informativeness of the Input Signal in Gas Chromatography when Using a Syringe to Introduce the Adsorbed Substance into a Column with No Adsorbent

An experiment is performed on introducing methane with a syringe at different helium flow rates on a chromatographic column free of adsorbent. It is found that the input signals generated in this case are satisfactorily described by an elution curve equation that is a correct solution to the direct problem of linear adsorption dynamics. A separate example shows that the input signals at the same flow rate coincide with one another quite well. The centers of gravity to the left and right of the input signal’s maximum are calculated, considerably expanding its content of information.

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来源期刊

Russian Journal of Physical Chemistry A 化学-物理化学

CiteScore

1.20

自引率

14.30%

发文量

376

审稿时长

5.1 months

期刊介绍： Russian Journal of Physical Chemistry A. Focus on Chemistry (Zhurnal Fizicheskoi Khimii), founded in 1930, offers a comprehensive review of theoretical and experimental research from the Russian Academy of Sciences, leading research and academic centers from Russia and from all over the world. Articles are devoted to chemical thermodynamics and thermochemistry, biophysical chemistry, photochemistry and magnetochemistry, materials structure, quantum chemistry, physical chemistry of nanomaterials and solutions, surface phenomena and adsorption, and methods and techniques of physicochemical studies.