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N_2O饱和胞嘧啶水溶液体系辐解的瞬态产物研究
马先勇; 姚思德; 王文锋; 左志华; 林念芸
1998-04-10
Source Publication化学物理学报
Issue02
Abstract在确定胞嘧啶阴离子自由基(Cyt.)特征吸收的基础上;采用脉冲辐解技术;以N2O作为e-aq的清除剂对Cyt水溶液进行了研究。实验结果显示:在不存在自由e-aq条件下仍产生了Cyt的两个特征吸收峰;即位于λmax=355±5nm处的Cyt.吸收峰和其质子化产物的吸收峰。Cyt.按一级动力学方式衰减;但在同一pH值下较N2饱和溶液体系的慢。从而推测;N2O-可与Cyt形成电子转移授受络合物;这种络合物的形成导致Cyt.的λmax兰移;同时由于N2O-与H2O反应使溶液pH值上升而使Cyt.半寿期变长
Indexed ByCNKI
Language中文
Funding Project原子核所项目组
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/10981
Collection中科院上海原子核所2003年前
Recommended Citation
GB/T 7714
马先勇,姚思德,王文锋,等. N_2O饱和胞嘧啶水溶液体系辐解的瞬态产物研究[J]. 化学物理学报,1998(02).
APA 马先勇,姚思德,王文锋,左志华,&林念芸.(1998).N_2O饱和胞嘧啶水溶液体系辐解的瞬态产物研究.化学物理学报(02).
MLA 马先勇,et al."N_2O饱和胞嘧啶水溶液体系辐解的瞬态产物研究".化学物理学报 .02(1998).
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