催化剂相关定义分析

大学化学 Pub Date : 2020-01-01 DOI:10.3866/pku.dxhx202002046

Chen Ling, Shuyong Zhang

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引用次数: 0

摘要

自1835年首次确立以来，催化剂的定义经历了几次发展。1996年，IUPAC命名委员会提出了催化剂的新定义。但到目前为止，这一新的定义还没有被广泛采用。本文列举并讨论了催化剂的基本特性，阐明了催化剂的基本特征。在此基础上，提出了催化剂的新定义。从催化剂的基本特征出发，分析了负极催化剂的概念。建议用抑制剂代替负催化剂。这对我们更好地认识催化剂，纠正现有物理化学教材中的误解具有重要意义。

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Analysis of the Definitions Related to Catalyst

: After first established in 1835, the definition of catalyst has undergone several progresses. In 1996, IUPAC Nomenclature Committee proposed a new definition of catalyst. But till now this new definition has not been adopted extensively. In this paper, the fundamental characteristics of catalyst are listed and discussed with the essential features being clarified. Based on these discussion, a new definition of catalyst is suggested. The concept of negative catalyst is analyzed based on the essential features of catalyst. It is suggested to replace negative catalyst by inhibitor. It is meaningful for us to get a better understanding of catalyst and correct misunderstandings in the present physical chemistry textbooks.

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来源期刊

大学化学

自引率

0.00%

发文量

5852

期刊介绍： University Chemistry is an educational research academic journal supervised by the Ministry of Education and co-sponsored by Peking University and the Chinese Chemical Society. It was founded in 1986 and changed to a monthly publication in January 2016. Its purpose is to promote and deepen the reform of university chemistry education and serve to improve the level of chemistry teaching in my country. The main columns are: Today's Chemistry, Teaching Research and Reform, Knowledge Introduction, Chemical Experiments, Teacher-Student Chats, Future Chemists, etc. The journal has been included in many databases such as China Journal Network Full-text Database, Wanfang Database, Taiwan Huayi Database, Chinese Science and Technology Journal Database (Full-text Edition), and American Chemical Abstracts.