A quint-wavelength UV spectroscopy for simultaneous determination of dichlorobenzene, chlorobenzene, and benzene in simulated water reduced by nanoscale zero-valent Fe/Ni bimetal.
A quint-wavelength UV spectroscopy for rapid determination of dichlorobenzene (DCB), chlorobenzene (CB) and benzene (B) was developed for the dechlorination process of DCB reduced by nanoscale zero-valent Fe/Ni bimetal. Based on the absorbance measurements at 260, 269, 277, 290 and 300nm, the equations for calculating the concentration of DCB and CB and B were established, in which the spectral interference from the nanoparticles could be effectively minimized. The results show that the present method has a good measurement precision (the relative standard deviations are within 2.0%) and accuracy (the recoveries are between 89 and 111%) in the DCB, CB and B's quantification. The present method is simple, rapid, and such a methodology is very suitable to be used for evaluating the dechlorination performance of chlorinated aromatic compounds in the presence of bimetal nanoparticle.
State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou, China.
Xiaofang
X
Wan
State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou, China.
Yu
Y
Liu
State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou, China. Electronic address: xschai@scut.edu.cn.
Xin-Sheng
XS
Chai
State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou, China.
Youming
Y
Li
State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou, China.
Congbao
C
Guo
Determination; Dichlorobenzene; Nanoscale zero-valent Fe/Ni bimetal; Spectroscopic analysis