Pb and Sr isotope measurements by inductively coupled plasma–mass spectrometer: efficient time management for precision improvement

Monna, Fabrice; Loizeau, Jean‐Luc; Thomas, Bertrand; Guéguen, Céline; Favarger, Pierre-Yves

doi:10.1016/s0584-8547(98)00164-5

Cited by 59 publications

(59 citation statements)

References 20 publications

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“…An aliquot of the solution was measured by an HP 4500 inductively coupled plasma -mass spectrometer (ICP-MS) to determine Cu, Zn, Cd, and Pb concentrations. Lead from another aliquot was purified using the conventional ionic resin AG1X4 (Biorad) and measured for its isotopic composition by a quadrupole-based HP 4500 (see Monna et al 1998Monna et al , 2000 for more details about the chemical procedure and precision). Blanks and reference material standards, including NIST 1547, JSD 1, JSD 2, NIST 1547, PACS-1 and BCSS-1, were also systematically added to each set of unknown samples in order to check accuracy and precision Table 1.…”

Section: Geochemical Analysismentioning

confidence: 99%

Environmental impact of early palaeometallurgy: pollen and geochemical analysis

Jouffroy‐Bapicot

Pulido²,

Baron³

et al. 2006

Veget Hist Archaeobot

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Interdisciplinary research was carried out in mid-level mountain areas in France with the aim of documenting historical mining and smelting activities by means of pollen and geochemical analyses. These investigations were made on cores collected in French peatlands in the Morvan (northern Massif Central), at Mont Lozère (southern Massif Central) and in the Basque Country (Pyrénées). Different periods of mining were recognised from Prehistory to modern times through the presence of anthropogenic lead in peat. Some of these were already known from archaeological dates or historical archives, especially for mediaeval and modern periods. However prehistoric ancient mining activities, as early as the Middle Bronze Age (ca. 1700 b.c.), were also discovered. They had all led to modifications in plant cover, probably related in part to forest clearance necessary to supply energy for mining and smelting.

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Section: Geochemical Analysismentioning

confidence: 99%

Environmental impact of early palaeometallurgy: pollen and geochemical analysis

Jouffroy‐Bapicot

Pulido²,

Baron³

et al. 2006

Veget Hist Archaeobot

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“…A dead time correction of 36.2 ns was experienced efficient on our instrument up to an ion flow of about 7 × 10 5 ions.s -1 [2].…”

Section: Apparatusmentioning

confidence: 95%

“…After mass bias correction obtained by frequent measurement of NBS981 Pb standard solutions inserted in the set of unknown samples (see [2] for operational details), measurements show precision, accuracy and reproducibility as suggests the comparison with the results provided by precise thermo-ionisation mass spectrometry (TIMS) method, and numerous replicates performed on lichens, sediments and rainwater samples (Tab. III).…”

Section: Application To Natural Samplesmentioning

confidence: 97%

“…When the control of the less abundant 204 Pb isotope was not necessary, or impossible because of the low Pb content, the same timing than above was kept for the three remaining isotopes. Such a time distribution was found as providing the best theoretical precision [2]. Three channels per peak were measured at 0 +/-0.008 a.m.u.…”

Section: Isotope Measurementsmentioning

confidence: 99%

“…Starting from the observations done by Quétel et al [1] about the importance of the time management, we have previously investigated how, for a given acquisition time, the within-run relative standard deviation (RSD %) of the isotopic ratios could be reduced [2]. We proposed to divide optimally the available time in order to compensate the differences of abundance of the isotopes used in ratioing.…”

Section: Introductionmentioning

confidence: 99%

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Noise identification and sampling frequency determination for precise Pb isotopic measurements by quadrupole-based Inductively Coupled Plasma Mass Spectrometry

et al. 2000

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Abstract. Analytical precision of the isotope ratios measured by quadrupole-based ICP-MS is drastically controlled by the lowfrequency noises which originate from nebulisation and vaporisation processes, and from sample introduction systems. The undesirable influence of these latter can be however reduced by choosing efficiently the operating parameters. In the present study, the choice of the stabilisation time necessary in peak jump mode, and the one of the number of sweeps are discussed in the light of noise power spectra obtained with various speeds of the peristaltic pump used as sample introduction system. Obviously, the settings proposed are probably efficient only on our own ICP-MS, but they can be determined without any difficulty on any other equipment, only by following the methodology detailed here. With such guidelines, experimental within-run RSD % were observed following closely those predicted by the counting statistics (∼ 110 %). The isotopic measurements of natural samples (overbank sediments, airborne particulate matter, lichens and rainwater) exhibited fair accuracy and good reproducibility, making highly convenient the use of the ICP-MS, at least in an environmental purpose.Keywords. Inductively coupled plasma mass spectrometry -lead isotope ratios -instrumental parameters -optimisationnoise -quality control.

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Single‐Collector Inductively Coupled Plasma Mass Spectrometry

Vanhaecke

2012

Isotopic Analysis

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Pb and Sr isotope measurements by inductively coupled plasma–mass spectrometer: efficient time management for precision improvement

Cited by 59 publications

References 20 publications

Environmental impact of early palaeometallurgy: pollen and geochemical analysis

Environmental impact of early palaeometallurgy: pollen and geochemical analysis

Noise identification and sampling frequency determination for precise Pb isotopic measurements by quadrupole-based Inductively Coupled Plasma Mass Spectrometry

Single‐Collector Inductively Coupled Plasma Mass Spectrometry

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