Mercury II and methyl mercury speciation on Streptococcus pyogenes loaded Dowex Optipore SD 2
Yazarlar (4)
Prof. Dr. Mustafa TÜZEN
Tokat Gaziosmanpaşa Üniversitesi, Türkiye
Doç. Dr. Özgür Doğan ULUÖZLÜ
Tokat Gaziosmanpaşa Üniversitesi, Türkiye
Tokat Gaziosmanpaşa Üniversitesi, Türkiye
Erciyes Üniversitesi, Türkiye
| Makale Türü | Özgün Makale |
| Makale Alt Türü | SSCI, AHCI, SCI, SCI-Exp dergilerinde yayınlanan tam makale |
| Dergi Adı | Journal of Hazardous Materials |
| Dergi ISSN | 0304-3894 Wos Dergi Scopus Dergi |
| Dergi Tarandığı Indeksler | SCI-Expanded |
| Dergi Grubu | Q4 |
| Makale Dili | İngilizce |
| Basım Tarihi | 09-2009 |
| Cilt No | 169 |
| Sayı | 1 |
| Sayfalar | 345 / 350 |
| DOI Numarası | 10.1016/j.jhazmat.2009.03.100 |
| Makale Linki | http://linkinghub.elsevier.com/retrieve/pii/S0304389409005044 |
| Özet |
| A solid phase extraction procedure based on speciation of mercury(II) and methyl mercury on Streptococcus pyogenes immobilized on Dowex Optipore SD-2 has been established. Selective and sequential elution with 0.1 mol L(-1) HCl for methyl mercury and 2 mol L(-1) HCl for mercury(II) were performed at pH 8. The determination of mercury levels was performed by cold vapour atomic absorption spectrometry (CVAAS). Optimal analytical conditions including pH, amounts of biosorbent, sample volumes, etc., were investigated. The influences of the some alkaline and earth alkaline ions and some transition metals on the recoveries were also investigated. The capacity of biosorbent for mercury(II) and methyl mercury was 4.8 and 3.4 mg g(-1). The detection limit (3 sigma) of the reagent blank for mercury(II) and methyl mercury was 2.1 and 1.5 ng L(-1). Preconcentration factor was calculated as 25. The relative standard deviations of the procedure were below 7%. The validation of the presented procedure is performed by the analysis of standard reference material (NRCC-DORM 2 Dogfish Muscle). The procedure was successfully applied to the speciation of mercury(II) and methyl mercury in natural water and environmental samples. |
| Anahtar Kelimeler |
| Streptococcus pyogenes | Dowex Optipore SD-2 | Mercury(II) | Methyl mercury | Cold vapour atomic absorption spectrometry |
BM Sürdürülebilir Kalkınma Amaçları
| Atıf Sayıları | |
| WoS | 122 |
| Google Scholar | 142 |