A new pyrrolidinedithiocarbamate screening method for the determination of methylmercury and inorganic mercury relation in hair samples by HPLC-UV-PCO-CVAAS
A new analytical screening technique for the determination of methylmercury and inorganic mercury in hair samples by HPLC-PCO-CVAAS has been developed. It is based on the extraction of mercury compounds by a buffered sodium pyrrolidinedithiocarbamate solution, separation by reversed-phase HPLC, post...
Gespeichert in:
| Hauptverfasser: | , |
|---|---|
| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
1996
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| In: |
Fresenius' journal of analytical chemistry
Year: 1996, Jahrgang: 354, Heft: 4, Pages: 492-493 |
| ISSN: | 1432-1130 |
| DOI: | 10.1007/s0021663540492 |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1007/s0021663540492 |
| Verfasserangaben: | R. Falter, H.F. Schöler |
MARC
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| 245 | 1 | 2 | |a A new pyrrolidinedithiocarbamate screening method for the determination of methylmercury and inorganic mercury relation in hair samples by HPLC-UV-PCO-CVAAS |c R. Falter, H.F. Schöler |
| 264 | 1 | |c 1996 | |
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| 520 | |a A new analytical screening technique for the determination of methylmercury and inorganic mercury in hair samples by HPLC-PCO-CVAAS has been developed. It is based on the extraction of mercury compounds by a buffered sodium pyrrolidinedithiocarbamate solution, separation by reversed-phase HPLC, post column oxidation by UV-irradiation, reduction with alkaline sodium borohydride, and determination by cold vapour atomic absorption detection. The standard deviation was 7% and recoveries were 90% for both compounds. The limit of detection (S/N = 3) for both compounds was calculated to be about 4 ppb. | ||
| 650 | 4 | |a Absorption Detection | |
| 650 | 4 | |a Borohydride | |
| 650 | 4 | |a Hair Sample | |
| 650 | 4 | |a Methylmercury | |
| 650 | 4 | |a Sodium Borohydride | |
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