Citation: Jun Ping Xiao, Qing Xiang Zhou, Xiao Ke Tian, Hua Hua Bai, Xian Fa Su. Determination of aniline in environmental water samples by alternating-current oscillopolarographic titration[J]. Chinese Chemical Letters, ;2007, 18(6): 730-733. doi: 10.1016/j.cclet.2007.04.030 shu

Determination of aniline in environmental water samples by alternating-current oscillopolarographic titration

a Department of Chemistry, University of Science and Technology Beijing, Beijing 100083, China;
b School of Chemistry and Environmental Sciences, Henan Normal University, Henan Key Laboratory for Environmental Pollution Control, Xinxiang 453007, China

Received Date: 26 February 2007

Fund Project: This work was supported by Youth Science Foundation of Henan Normal University (No. 2004005), Natural Science Foundation of Henan Province (No. 0511053000), the Personal Innovation Foundation of Universities in Henan Province (No.[2005]126).

A new method for the determination of aniline in environmental water based on oscillopolarographic titration was presented in this paper.Several factors including the kind, concentration, and volume of acid, the dosage of potassium bromide, the temperature and concentration of concomitant substances were investigated in detail.The experimental results indicated that this method was simple, rapid, and sensitive.The linear range was 8.367×10^-4 to 2.789×10^-2 mol L^-1, the relative standard deviation (R.S.D.) was lower than 0.96%, and the spiked recoveries of aniline in environmental water samples were in the range of 99.4-106.9% under the optimal conditions.The results indicated that the present method could be used as an alternative method for aniline determination in realworld water samples.
- Alternating-current oscillopolarographic titration,
- Aniline,
- Potassium bromide
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