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Vol. 25 No. 4 (2013): Vol 25 Issue 4

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HPLC Determination of Chlorophenols in Water with Separation by Ionic Liquids [Bmim]BF4 Aqueous Two-phase Solvent Sublation

https://doi.org/10.14233/ajchem.2013.13358
Liang Wang
College of Chemistry, Jilin Normal University, Siping 136000, Jilin Province, P.R. China
Hong Zhu
College of Chemistry, Jilin Normal University, Siping 136000, Jilin Province, P.R. China
Chunhong Ma
College of Chemistry, Jilin Normal University, Siping 136000, Jilin Province, P.R. China
Yongsheng Yan
College of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, P.R. China

Corresponding Author(s) : Liang Wang

wangliang7469@yahoo.com.cn

Asian Journal of Chemistry, Vol. 25 No. 4 (2013): Vol 25 Issue 4

Abstract

2,4-Dichlorophenol, 2,6-dichlorophenol and 4-chlorophenol were separated from water sample and enriched by ionic liquids [Bmim]BF4 aqueous two-phase solvent sublation with [Bmim]BF4 as solvent from the water sample at pH 10.70 and flotation with nitrogen at a flow rate of 35 mL min-1, for 40 min. At the end of sublation, 10 μL of the supernatant ionic liquids phase were taken for HPLC analysis. Detection limits (3s/b) of three chlorophenols were 15, 22 and 10 μg L-1, respectively. Tests for recovery were made with a blank water sample as matrix by standard addition method, values of recovery were found in the range of 90-102 %, with values of RSD's (n = 11) ranged from 1.5 % to 4.3 %.

Keywords

Ionic liquids aqueous two-phase Solvent sublation HPLC Chlorophenols
Wang, L., Zhu, H., Ma, C., & Yan, Y. (2012). HPLC Determination of Chlorophenols in Water with Separation by Ionic Liquids [Bmim]BF4 Aqueous Two-phase Solvent Sublation. Asian Journal of Chemistry, 25(4), 2129–2134. https://doi.org/10.14233/ajchem.2013.13358
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