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| Content Provider | Springer Nature Link |
|---|---|
| Author | Vuković, J. Jurišić Grubešić, R. Kremeŕ, D. Spaić, A. |
| Copyright Year | 2013 |
| Abstract | A solid-phase spectrophotometric technique was used to develop very sensitive, inexpensive, onestep procedure for determination of phenol (UV-SPS procedure). The proposed procedure is based on simultaneous sorption of phenol on an anion exchanger QAE Sephadex A-25 (40 mg), within 10 min at pH 11 and measurement of the intrinsic absorbance of the solid phase in a 1-mm cell at 289 and 500 nm, without previous derivatization. The optimum experimental conditions were investigated and comprehensive quality control of the new procedure was carried out using a prevalidation strategy accompanied by a very informative system of diagnosis. The UV-SPS procedure is characterized with both ideal calibration and analytical evaluation function within analyte working range from 0.3 to 3.0 μmol (6.0 to 60.0 nmol/mL). Random deviations (from ±0.3 to ±5.0%) and systematic deviations (from −3.0 to +4.9%) confirmed the favourable precision and accuracy of the UV-SPS method. Evaluated limiting values (L $_{ D }$ = 1.0 μM, L $_{ Q }$ = 6.0 μM) showed that this method enables determination of very low levels of phenol. The sensitivity of UV-SPS procedure is 50 times higher than that provided by the corresponding method in solution. The UV-SPS method was successfully applied to the determination of phenol in vaccines (recovery 95.6–103.4%). |
| Starting Page | 1033 |
| Ending Page | 1043 |
| Page Count | 11 |
| File Format | |
| ISSN | 10619348 |
| Journal | Journal of Analytical Chemistry |
| Volume Number | 68 |
| Issue Number | 12 |
| e-ISSN | 16083199 |
| Language | English |
| Publisher | Springer US |
| Publisher Date | 2013-11-14 |
| Publisher Place | Boston |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | solid-phase spectrophotometry phenol determination prevalidation vaccines Analytical Chemistry |
| Content Type | Text |
| Resource Type | Article |
| Subject | Analytical Chemistry |
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