Coordination Reaction Between Series Hydroxyl-Porphyrins and Pb2+ Studied by Spectroscopic Method

被引：0

作者：

Fa Huanbao ^{[1
,2
]}

Chen Shengfang ^{[1
]}

Zhang Ming ^{[1
]}

Huo Danqun ^{[2
]}

Yin Wei ^{[1
]}

Luo Xiaogang ^{[2
]}

Lu Zhongming ^{[2
,3
]}

Hou Changjun ^{[2
]}

机构：

[1] Chong Qing Univ, Coll Chem & Chem Engn, Chongqing 400030, Peoples R China

[2] Chongqing univ, Coll Bioengn, Key Lab Biorheol Sci & Technol, Minist Educ, Chongqing 400030, Peoples R China

[3] Corp Lu Zhou Old Cellar, Luzhou 646000, Sichuan, Peoples R China

来源：

CONTAMINATED SITES REMEDIATION | 2012年 / 414卷

基金：

中国博士后科学基金;

关键词：

hydroxyl-porphyrins; Pb2+; Soret band; thermodynamic properties;

D O I：

10.4028/www.scientific.net/AMR.414.22

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Reaction conditions and spectroscopy properties of series hydroxyl-porphyrins for bonding with Pb2+ were described. A stable complex was formed with molar ratio 1:1 in the solution of N,N-dimethylformamide (DMF) with 0.6ml tween-80 as surfactant, when the pH was controlled at 6.5. The hydroxyl group on the benzene ring resulted in Soret band red shift of Pb-porphyrin complexes from 415.8 to 422.7nm, and isosbestic point of the axial coordination reaction appeared at 419.5nm. The study of thermodynamics predicted that the monohydroxyl-porphyrin had the optimal identification effects for Pb2+.

引用

页码：22 / +

页数：2

共 15 条

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