搜索:  
Sensitive and Selective Polymeric Membrane for Rapid Zn (II) Ions Detection  
Sensitive and Selective Polymeric Membrane for Rapid Zn (II) Ions Detection
资料类型: PDF文件
关键词: Zinc(  II  )  Membrane  Optical  sensor  Fluorescence  
资料大小: 66K
所属学科: 分子表征
来源: 第六届亚欧研讨会上处理和性能增强聚合物会议文集(2013.6.2-6 武汉)
简介:
Anopticalsensorforhighlysensitiveandselectivedeterminationoftoxicmetalionsisbeneficialtowastewaterpurificationandfoodsafety.Inthiswork,astableoptodemembranefortherapiddeterminationofZincions,basedonafluorescentmetal-ligandcomplexincorporatedinPolyvinylalcohol(PVA),isproposed.ThemembraneconsistedofPVAandfluorescentligands8-hydroxyquinoline-5-sulphonicacid(8HQS)011whichselectivelyreadZinc(II)ions.Itwasdemonstratedthatthemembraneexhibitedstrongfluorescencewhenthe8HQSligandinthemembranecomplexedwiththeexteriorZinc(II)ions,andtheliganditselfisverypoorlyemissive.Asignificantchangeinfluorescenceintensitycouldbeinstantaneouslyvisualized,inresponsetotheamountofZincionscomplexedatambienttemperature,undertheexposureofUVlight.Severalparametersofmembraneswerestudiedandoptimized.ThevisualdetectionlimitwasIX10-6mol.L-l.Inaddition,thefilmsensoralsoshowedgoodselectivityovercommonmetalions.Theoptodemembranedevelopedwaseasilyprepared,stable,andsimpleforrapidscreeningofZincions.ItwassuccessfullyusedforthedeterminationofZinc(II)ionsinwatersampleswithsatisfactoryresults.
作者: Julia. S. P. Wong, Robert K. Y. Li
上传时间: 2013-06-28 14:45:13
下载次数: 1
消耗积分: 2  
立即下载:
1人
1人
1人
友情提示:下载后对该资源进行评论,即可奖励2分。
报告错误:  1.下载无效  2. 资料明显无价值  3. 资料重复存在

相关评论 共有0人发表评论 更多评论
你还没有登录,无法发表评论,请首先 登录 注册
免责声明:本站部分资源由网友推荐,来自互联网,版权属于原版权人,如果不慎侵犯到您的权利,敬请告知,我们会在第一时间撤除。本站中各网友的评论只代表其个人观点,不代表本站同意其观点。