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| Content Provider | Springer Nature Link |
|---|---|
| Author | Sarafraz Yazdi, Ali Rounaghi, Gholamhossein Vatani, Hossein Razavipanah, Iman Amiri, Amirhassan |
| Copyright Year | 2014 |
| Abstract | We have prepared a new material for solid-phase microextraction (SPME) of volatile aromatic hydrocarbons by electropolymerization of pyrrole, carbon nanotubes, and titanium oxide on the surface of a stainless steel wire. This fiber-like wire was used for the headspace solid-phase microextraction of mixtures of benzene, toluene, ethylbenzene, and o-xylene (BTEX), followed by their quantitation by GC with FID detection. The fiber is easily prepared, robust, thermally stable, and has good extraction efficiency. Under optimal conditions, the detection limits (at an SNR of 3) are in the range from 0.01 to 0.04 ng mL−1, and the limits of quantification (at an SNR of 10) are between 0.03 and 0.09 ng mL−1. The relative standard deviations (RSDs) for one fiber (i. e. the repeatability; for n = 5) range from 3.5 to 5.6 %, while the RSDs between fibers or from batch to batch (i.e. the reproducibility; for n = 3) are in the range from 5.9 to 8.1 %. The method was successfully applied to (spiked) real water samples, the relative recovery percentages being between 93.7 and 106.2 %. Graphical abstract In the present work, polypyrrole-carbon nanotubes–titanium oxide composite coated onto 438 stainless steel wire have been successfully synthesized and were applied as adsorbent for the 439 headspace solid-phase microextraction of benzene, toluene, ethylbenzene, and o-xylene (BTEX). |
| Starting Page | 217 |
| Ending Page | 225 |
| Page Count | 9 |
| File Format | |
| ISSN | 00263672 |
| Journal | Microchimica Acta |
| Volume Number | 182 |
| Issue Number | 1-2 |
| e-ISSN | 14365073 |
| Language | English |
| Publisher | Springer Vienna |
| Publisher Date | 2014-07-09 |
| Publisher Place | Vienna |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Solid-phase microextraction Carbon nanotubes Titanium oxide nanoparticles Polypyrrole BTEX Nanochemistry Nanotechnology Characterization and Evaluation of Materials Analytical Chemistry Microengineering |
| Content Type | Text |
| Resource Type | Article |
| Subject | Analytical Chemistry |
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