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Titolo:
DETERMINATION OF PB-206 207 ISOTOPE RATIOS BY ICP-MS IN PARTICULATE MATTER FROM THE NORTH-SEA ENVIRONMENT/
Autore:
KRAUSE P; KRIEWS M; DANNECKER W; GARBESCHONBERG CD; KERSTEN M;
Indirizzi:
UNIV HAMBURG,INST INORGAN & APPL CHEM,DEPT APPL ANALYT,MARTIN LUTHER KING PL 6 D-20146 HAMBURG GERMANY UNIV HAMBURG,INST INORGAN & APPL CHEM,DEPT APPL ANALYT,MARTIN LUTHER KING PL 6 D-20146 HAMBURG GERMANY CHRISTIAN ALBRECHTS UNIV KIEL,INST GEOL D-24118 KIEL GERMANY UNIV TECHNOL,ENVIRONM ENGN SECT W-2100 HAMBURG 90 GERMANY
Titolo Testata:
Fresenius' journal of analytical chemistry
fascicolo: 8-9, volume: 347, anno: 1993,
pagine: 324 - 329
SICI:
0937-0633(1993)347:8-9<324:DOP2IR>2.0.ZU;2-2
Fonte:
ISI
Lingua:
ENG
Soggetto:
PLASMA-MASS-SPECTROMETRY; STABLE LEAD ISOTOPES; METALS; CONTAMINATION; SEDIMENTS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
24
Recensione:
Indirizzi per estratti:
Citazione:
P. Krause et al., "DETERMINATION OF PB-206 207 ISOTOPE RATIOS BY ICP-MS IN PARTICULATE MATTER FROM THE NORTH-SEA ENVIRONMENT/", Fresenius' journal of analytical chemistry, 347(8-9), 1993, pp. 324-329

Abstract

The determination of lead isotope ratios can be used for source and pathway characterization of lead in the environment. The suitability ofinductively coupled mass spectrometry (ICP-MS) was evaluated for the measurement of Pb-206/207 isotope ratios in several marine compartments as marine aerosols from different source regions and suspended particulate matter from the North Sea. Two different ICP-MS systems were used to carry out these investigations. First optimization studies have been performed to yield a sufficient precision (RSD < 0.5%) in combination with a reasonable measuring time. This study has been carried outusing the standard reference material NBS 981 with certified lead isotope ratios. Furthermore, it could be shown for marine environmental samples, that a precision of less than 0.5% RSD is attainable for counting rates of above approximately 50000 cps. As the following measurements of lead isotope ratios in marine aerosols from main source regionssurrounding the North Sea demonstrated, this precision is sufficient to determine significant differences due to the origin of atmospheric lead. The analysis of aerosol samples revealed isotope ratios varying from as low as 1.10, which is close to that ratio for leaded gasoline in Europe to near background (modern lead) values of 1.20. The lead isotope ratios for the investigated suspended particulate matter ranges between 1.13 and 1.18. These values can be related to the solid discharge, the urban density and anthropogenic activity of the drainage basin.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 02/07/20 alle ore 20:45:46