Development and evaluation of a standard method for the quantitative determination of elements in float glass samples by LA-ICP-MS.

  • Latkoczy C
  • Becker S
  • Dücking M
 et al. 
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Abstract

Forensic analysis of glass samples was performed in different laboratories
within the NITE-CRIME (Natural Isotopes and Trace Elements in Criminalistics
and Environmental Forensics) European Network, using a variety of
Laser Ablation Inductively Coupled Plasma Mass Spectrometry (LA-ICP-MS)
systems. The main objective of the interlaboratory tests was to cross-validate
the different combinations of laser ablation systems with different
ICP-MS instruments. A first study using widely available samples,
such as the NIST SRM 610 and NIST SRM 612 reference glasses, led
to deviations in the determined concentrations for trace elements
amongst the laboratories up to 60%. Extensive discussion among the
laboratories and the production of new glass reference standards
(FGS 1 and FGS 2) established an improved analytical protocol, which
was tested on a well-characterized float glass sample (FG 10-1 from
the BKA Wiesbaden collection). Subsequently, interlaboratory tests
produced improved results for nearly all elements with a deviation
of < 10%, demonstrating that LA-ICP-MS can deliver absolute quantitative
measurements on major, minor and trace elements in float glass samples
for forensic and other purposes.

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  • PMID: 16382827

Authors

  • Christopher Latkoczy

  • Stefan Becker

  • Marc Dücking

  • Detlef Günther

  • Jurian A Hoogewerff

  • Jose R Almirall

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