主题：【已应助】请帮忙查几篇英文文献，谢谢

【序号】：6
【作者】：Halil İbrahim Ulusoy, Mehmet Akçay, Songül Ulusoy, Ramazan Gürkan 
【题名】：Determination of ultra trace arsenic species in water samples by hydride generation atomic absorption spectrometry after cloud point extraction
【期刊】：Analytica Chimica Acta
【年、卷、期、起止页码】： Volume 703, Issue 2, 10 October 2011, Pages 137-144

【序号】：7
【作者】：Halil İbrahim Ulusoy, Ramazan Gürkan, Ümmügülsüm Aksoy, Mehmet Akçay 
【题名】：Development of a cloud point extraction and preconcentration method for determination of trace aluminum in mineral waters by FAAS
【期刊】：Microchemical Journal
【年、卷、期、起止页码】：Volume 99, Issue 1, September 2011, Pages 76-81

【序号】：8
【作者】：Shuxian Zhong, Swee Ngin Tan, Liya Ge, Weiping Wang, Jianrong Chen 
【题名】：Determination of bisphenol A and naphthols in river water samples by capillary zone electrophoresis after cloud point extraction
【期刊】：Talanta
【年、卷、期、起止页码】：Volume 85, Issue 1, 15 July 2011, Pages 488-492

【序号】：9
【作者】：Hélen C. Rezende, Clésia C. Nascentes, Nívia M.M. Coelho 
【题名】：Cloud point extraction for determination of cadmium in soft drinks by thermospray flame furnace atomic absorption spectrometry
【期刊】：Microchemical Journal
【年、卷、期、起止页码】：Volume 97, Issue 2, March 2011, Pages 118-121