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Aiming at addressing the problems of single-content and obsolete projects in university-level analytical chemistry, introducing innovative and comprehensive experimental projects into teaching classrooms can enhance students' ability to explore and solve problems independently. Therefore, we designed an experimental teaching scheme that includes sample preparation, characterization and evaluation, as well as data processing and result comparison. The purpose of the experiment is to determine the contents of Ni and Mo in industrial oil hydrodesulfurization catalysts (in this case, Ni-Mo/γ-Al2O3 catalysts) using spectrophotometry. The goals are to enable students to understand the fundamentals of conventional supported catalyst preparation and master the quantitative analysis procedure of spectrophotometry. [ABSTRACT FROM AUTHOR]

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Copyright of Lubrication Engineering (0254-0150) is the property of Editorial Office of LUBRICATION ENGINEERING and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)