Determination of Chlorobenzenes and Nitrobenzoates in Wastewater by Dispersive Liquid-Liquid Microextraction Coupled to Capillary Gas Chromatography
- DOI
- 10.2991/aeece-15.2015.169How to use a DOI?
- Keywords
- Chlorobenzenes, Nitrobenzoates, Capillary Gas Chromatography, Dispersive liquid-liquid Microextraction, Wastewater.
- Abstract
A fast, eco-friendly and reliable method combining dispersive liquid-liquid microextracion (DLLME) with capillary gas chromatography (GC) was developed for the simultaneous determination of p-dichlorobenzene (p-DCB), o-dichlorobenzene (o-DCB), nitrobenze (NB), 1,2,4-trichlorobenzene (TCB), and 3-nitrotoluene (NT) in wastewater. To achieve this goal, dispersive liquid-liquid microextraction (DLLME) was applied as a sample preparation technique. The DLLME parameters such as the types and volume of extraction solvent, the types and volume of the disperser solvent, pH value and salt addition were investigated and optimized. The method was linear in the ranges from 2.2 × 10-2 to 200 µg mL-1 for aforementioned compounds with R2 0.9987. The DLLME procedure allowed efficient recovery of these compounds ranging between 89 % and 104 % with a relative standard deviation (RSD) 9.6 (n=6) for genuine wastewater samples spiked with 10, 50 and 100 µg mL-1 of standard substances, respectively. These results showed the potential of this technique for chlorobenzenes and nitrobenzoates monitoring in wastewater samples. Furthermore, the methods are simple, reproducible, and inexpensive.
- Copyright
- © 2015, the Authors. Published by Atlantis Press.
- Open Access
- This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).
Cite this article
TY - CONF AU - Jianqi Sun PY - 2015/09 DA - 2015/09 TI - Determination of Chlorobenzenes and Nitrobenzoates in Wastewater by Dispersive Liquid-Liquid Microextraction Coupled to Capillary Gas Chromatography BT - Proceedings of the International Conference on Advances in Energy, Environment and Chemical Engineering PB - Atlantis Press SP - 824 EP - 827 SN - 2352-5401 UR - https://doi.org/10.2991/aeece-15.2015.169 DO - 10.2991/aeece-15.2015.169 ID - Sun2015/09 ER -