大学化学 >> 2025, Vol. 40 >> Issue (5): 391-400.doi: 10.12461/PKU.DXHX202411013

自学之友 上一篇    下一篇

基于QuadraSorb evo比表面测试仪BET助手输出的报告解析

舒霞, 司马龙天, 王佳力, 楚嘉诚, 谢伊代·玉孙江, 穆巴热科·买买提江, 鲁颖炜, 王岩   

  1. 合肥工业大学材料科学与工程学院, 合肥 230009
  • 收稿日期:2024-11-01 修回日期:2025-01-02 发布日期:2025-05-21
  • 通讯作者: 王岩 E-mail:stone@hfut.edu.cn
  • 基金资助:
    新时代育人安徽省质量工程项目(2023ghjc006)；安徽省质量工程项目(2022zygzts086)；合肥工业大学大学生创新训练项目(X202410359083)

Analysis of the Report Generated by the QuadraSorb evo BET Surface Area Analyzer

Xia Shu, Longtian Sima, Jiali Wang, Jiacheng Chu, Xieyidai·Yusunjiang, Mubareke·Maimaitijiang, Yingwei Lu, Yan Wang   

  1. School of Material Science and Engineering, Hefei University of Technology, Hefei 230009, China
  • Received:2024-11-01 Revised:2025-01-02 Published:2025-05-21
  • Contact: Yan Wang E-mail:stone@hfut.edu.cn

PDF

208

PDF (Mobile)

10

赞

摘要： 基于QuadraSorb evo比表面和孔径分析仪的实测数据，深入解析了分析软件BET助手输出的典型的比表面积分析报告，包括相关测试参数含义、BET助手选点依据和直线方程拟合过程。此外还解读了样品测试准备阶段需要重点关注的事项，为正确使用比表面分析仪并充分理解报告内容提供有价值和具有针对性的指导。

关键词: 比表面积, 等温线, BET助手, BET方程, 线性拟合

Abstract: This study conducts an in-depth analysis of the typical specific surface area analysis reports generated by the BET Assistant software, utilizing actual measurement data from the QuadraSorb evo specific surface area and pore size analyzer. Key aspects examined include the interpretation of relevant test parameters, the rationale behind the BET Assistant's point selection, and the process of fitting the linear equation. Additionally, the study highlights critical considerations for sample preparation prior to testing. This analysis provides valuable and targeted guidance for the accurate use of the specific surface area analyzer and enhances the understanding of the report content.

Key words: Specific surface area, Isotherm, BET assistant, BET equation, Linear fitting