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Citation: Li Hexing*, Xu Haihan. STUDY ON THE CHEMICAL OSCILLATING REACTION IN THE SYSTEM OF ASPARTIC ACID-BrO₃^--Mn²⁺-Fe(Phen)₃²⁺-H₂SO₄[J]. Acta Physico-Chimica Sinica, ;1988, 4(05): 554-557. doi: 10.3866/PKU.WHXB19880523 shu

STUDY ON THE CHEMICAL OSCILLATING REACTION IN THE SYSTEM OF ASPARTIC ACID-BrO₃^--Mn²⁺-Fe(Phen)₃²⁺-H₂SO₄

Li Hexing* ,
Xu Haihan

1.
Department of Chemistry; Shanghai Normal University

Received Date: 21 March 1987
Available Online: 15 October 1988

A new chemical oscillating system involving aminoacid——the system of aspartic acid-BrO_3~--Mn~(2+)-Fe(Phen)_3~2-H_2SO_4 has been described and its oscillating feature has been studied. It is shown that chloride ion, bromide ion,acetone, bromine and acrylonitrile inhibit the oscillation. The analysis of reacting products shows that oxalacetie acid and bromooxaiacetie acid are two of the products of this oscillating reaction. According to the experimental facts and the FKN mechanism, the model, called the Br_2-hydrolysis control model, has been proposed. The oscillating figure calculated from this model is in od agreement with the experimental figure. With this model we give the successful explanation of all the experimental observations and the role of the two metal ions in the oscillating reaction is described.
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STUDY ON THE CHEMICAL OSCILLATING REACTION IN THE SYSTEM OF ASPARTIC ACID-BrO3--Mn2+-Fe(Phen)32+-H2SO4

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通讯作者: 陈斌, bchen63@163.com

STUDY ON THE CHEMICAL OSCILLATING REACTION IN THE SYSTEM OF ASPARTIC ACID-BrO₃^--Mn²⁺-Fe(Phen)₃²⁺-H₂SO₄