Measurement of lead isotope ratios in wine by ICP-MS and its applications to the determination of lead concentration by isotope dilution

Autor: S. Augagneur, F. E. Grousset, B. Medina
Rok vydání: 1997
Předmět:
Zdroj: Fresenius' Journal of Analytical Chemistry. 357:1149-1152
ISSN: 1432-1130
0937-0633
DOI: 10.1007/s002160050321
Popis: Methods are described for the accurate and precise determination of lead concentrations and the isotopic composition of lead in wine samples using Inductively Coupled Plasma Mass Spectrometry (ICP-MS). This method needs little sample preparation. A comparison with lead isotope ratios measured by Thermal Ionization Mass Spectrometry (TIMS) in three wine samples reveals a good agreement between the two techniques. The lead concentration in three certified wine samples were measured by isotope dilution (ID) and the results are compared with those obtained by external calibration ICP-MS.
Databáze: OpenAIRE