摘要
采用分光光度法研究HNO2与N,N-乙基,羟乙基羟胺(EHEH)在高氯酸介质中的反应动力学,得到了反应动力学速率方程。研究结果表明:当温度为25℃、离子强度为1.0 mol/L时,反应速率常数k=3.43(mol/L)-0.93.min-1,反应活化能Ea=(50.0±2.5)kJ/mol;升高温度、提高EHEH和高氯酸浓度,反应速率加快。
The reaction between N,N-ethyl(hydroxyethyl) hydroxylamine (EHEH) and nitrous acid was spectrophotometrically investigated in the medium of HClO4 and the kinetic rate equation was obtained. The rate constant k is 3.43 (mol/L)^-0.93 ·min^-1 at 25℃, I=1.0 mol/L and activation energy Ea of the reaction is (50. 0±2.5) kJ/mol. The reaction rate increases with rising temperature, the concentrations of EHEH and HClO4.
出处
《原子能科学技术》
EI
CAS
CSCD
北大核心
2008年第3期243-247,共5页
Atomic Energy Science and Technology
关键词
N
N-乙基
羟乙基羟胺
亚硝酸
反应动力学
分光光度法
N, N-ethyl(hydroxyethyl)hydroxylamine
nitrous acid
reaction kinetics
spectrophotometry