全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...
环境化学  2015 

水环境中OH自由基的分子探针法测定

Keywords: 自由基,光化学,水杨酸

Full-Text   Cite this paper   Add to My Lib

Abstract:

采用水杨酸分析水体中羟基(OH)的分子探针,测定了紫外光照下NO3-和NO2-体系中OH的稳态浓度和量子产率,并在此基础上估算了天然水体中OH自由基的生成速率和清除有机污染物的速率.

References

[1]  Kieber R J,Li A,Seaton P J,Production of Nitrite from the Photodegradation of Dissolved Organic Matter in Natural Waters.Environ.Sci.Technol,1999,33∶993-998
[2]  丁立,陈双全,杨曦,几种光化学体系中羟基自由基的产生和测定.上海环境科学,1999,18(10)∶475-477
[3]  Buxton G V,Greenstock C L,Helman W P et al., Critical Review of Rate Constants for Reactions of Hydrated Electrons,Hydrogen Atoms and Hydroxyl Radicals(OH/O-)in Aqueous Solution.J.Phys.Chem.Ref.Data,1988,17∶513-886
[4]  杨曦,典型有机污染物的光降解研究.南京大学博士学位论文,2000
[5]  Brezonik P L,Chemical Kinetics and Process Dynamics in Aquatic Systems.Lewis Publishers,Boca Raton,1994
[6]  Wersin P,Hohener P,Giovanoli R et al., Early Diagenetic Influences on Iron Transformations in a Freshwater Lake Sediment.Chem.Geol.,1991,90∶233_252
[7]  傅献彩主编,实用化学便览,南京;南京大学出版社,1999
[8]  Brezonik P L,Fulkerson-Brekken J,Nitrate-Induced Photolysis in Natural Waters;Controls on Concentrations of Hydroxyl Radical Photo-Intermediates by Natrual Scavenging Agents. Environ.Sci.Technol.,1998,32∶3004-3010

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133