DOUBLE ISOTOPE (O-18) KINETIC STUDY OF PEROXIDE GROUP EXCHANGE BETWEEN THE TETRAPEROXOCHROMATE ION AND HYDROGEN-PEROXIDE IN BASIC SOLUTION

被引:6
作者
BROWN, SB
JONES, P
PRUDHOE, K
EDWARDS, JO
机构
[1] UNIV NEWCASTLE UPON TYNE,DEPT PHYS CHEM,NEWCASTLE TYNE NE1 7RU,TYNE & WEAR,ENGLAND
[2] BROWN UNIV,METCALFE CHEM LABS,PROVIDENCE,RI 02912
关键词
D O I
10.1016/S0020-1693(00)94669-3
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
A 18O labelling technique has been used to demonstrate reversible exchange of peroxide groups between H2O2 and the tetraperoxochromate(V) ion. The results also show that this exchange proceeds without scrambling of oxygen atoms, i.e. the intergrity of the exchanging peroxide group is conserved. The rate of exchange was proportional to [H+], in the pH range 7.87 to 11.80. The implications of these results on the mechanism of tetraperoxochromate decomposition are discussed. © 1979.
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页码:9 / 12
页数:4
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