Determination of lead in environmental samples by graphite furnace AAS.

Matsumoto, Akikazu; Hirao, Yoshimitsu; Iwasaki, Masatoshi; Fukuda, Etsuko; Hanami, Hidetoshi; Nara, Shinobu; Kimura, Kan

doi:10.2116/bunsekikagaku.35.7_590

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Lead Purification1

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2011

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“…Lead was separated from the matrices of extracts of soil and indoor dust, and that of digest of blood by bromide-complexation, followed by anion-exchange chromatography (AG1-X8, 100 -200 mesh, Bio-Rad) according to Matsumoto et al 19 for isotope ratio measurements by MC-ICPMS. Lead was eluted with 6 mol L -1 HCl, which was then evaporated to dryness and re-dissolved in 0.15 mol L -1 HNO3.…”

Section: Lead Purificationmentioning

confidence: 99%

Isotope Ratio Analysis of Lead in Blood and Environmental Samples by Multi-collector Inductively Coupled Plasma Mass Spectrometry

et al. 2011

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Section: Lead Purificationmentioning

confidence: 99%

Isotope Ratio Analysis of Lead in Blood and Environmental Samples by Multi-collector Inductively Coupled Plasma Mass Spectrometry

et al. 2011

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Lead behavior in abalone shell

Hirao¹,

Matsumoto²,

Yamakawa³

et al. 1994

Geochimica et Cosmochimica Acta

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Isotope Ratio Analysis of Lead in Biological Materials by Inductively Coupled Plasma Mass Spectrometry.

Yoshinaga

1996

Tohoku J. Exp. Med.

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Inductively coupled plasma mass spectrometry (ICP-MS) allowed 0.2-0.3% imprecision (1 sigma) in 204Pb/206Pb, 207Pb/206Pb, and 208Pb/206Pb measurements at the 20-100 ppb level, which was precise enough to detect some of the isotopic variations observed in nature. Mass discrimination could be corrected within +/- 0.5% of the true value by periodical analysis of standard reference material of known lead isotopic composition. As a separation method for lead in human bone, which contains enormous amounts of calcium and phosphorus, anion exchange of the Pb-Br complex was found to be effective. Lead isotope ratios in bone, measured by ICP-MS after separation, were consistent with those measured by thermal ionization mass spectrometry. Hair matrix did not have any influence on the accuracy and precision of the analysis; a digested sample could be directly analyzed and this offered rapid sample throughput. Preliminary data on lead isotope ratios in bone and hair from prehistoric and contemporary Japanese are presented.

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Determination of lead in environmental samples by graphite furnace AAS.

Cited by 4 publications

References 0 publications

Isotope Ratio Analysis of Lead in Blood and Environmental Samples by Multi-collector Inductively Coupled Plasma Mass Spectrometry

Isotope Ratio Analysis of Lead in Blood and Environmental Samples by Multi-collector Inductively Coupled Plasma Mass Spectrometry

Lead behavior in abalone shell

Isotope Ratio Analysis of Lead in Biological Materials by Inductively Coupled Plasma Mass Spectrometry.

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