Non-matrix matched calibration of major and minor concentrations of Zn and Cu in brass, aluminium and silicate glass using NIR femtosecond laser ablation inductively coupled plasma mass spectrometry

文献信息

发布日期 2005-12-20
DOI 10.1039/B513690C
影响因子 4.023
作者

Qunzhou Bian, Carmen C. Garcia, Joachim Koch, Kay Niemax


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摘要

The feasibility of using near-infrared (NIR) femtosecond laser ablation (fs-LA) inductively coupled plasma mass spectrometry (ICP-MS) for the analysis of solid samples with non-matrix matched standard reference materials was studied. Major and minor concentrations of Zn and Cu (433 μg g−1–0.95 g g−1) were measured in three sets of metallic and dielectric standards (brass, aluminium, silicate glass) using He as the ablation cell gas and, with admixed Ar, for aerosol transportation from the cell into an Ar-ICP-MS instrument. Not surprisingly for ICP-MS detection, the experimental Zn/Cu ion ratios were found to be dependent on the sampler cone position in the plasma. However, at a fixed sampler position the experimental Zn/Cu ratios of the brass and Al samples were found to be proportional to the certified ratios independent of the laser fluence applied (range: 2–42 J cm−2). In contrast, the Zn/Cu ratio of an optical transparent glass sample (NIST 610) was found to be strongly fluence dependent. However, with increasing fluence the measured ratio asymptotically approached the experimentally expected ratio taking into account the results obtained from the brass and aluminium measurements.

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来源期刊

Journal of Analytical Atomic Spectrometry

Journal of Analytical Atomic Spectrometry
CiteScore: 6.2
自引率: 25.8%
年发文量: 254

The Journal of Analytical Atomic Spectrometry (JAAS) is the central journal for publishing innovative research on fundamentals, instrumentation, and methods in the determination, speciation and isotopic analysis of (trace) elements within all fields of application. This includes, but is not restricted to, the most recent progress, developments and achievements in all forms of atomic and elemental detection, isotope ratio determination, molecular analysis, plasma-based analysis and X-ray techniques. The journal welcomes full papers, communications, technical notes, critical and tutorial review articles, editorials, and comments, in addition to the Atomic Spectrometry Updates (ASU) literature reviews that are prepared by an expert panel. Submissions are welcome in the following areas, but note this list reflects the current scope and authors are strongly encouraged to contact the Editorial team if they believe that their work offers potentially new and emerging research relevant to the journal remit: Fundamental studies in the following. New and existing sources for atomic emission, absorption, fluorescence and mass spectrometry and those that provide both atomic and molecular information Sample introduction techniques for solids, liquids, gases Improvements in sensitivity, selectivity, precision, accuracy and/or robustness Isotope ratio measurements, including techniques for improving precision and mass bias correction Single channel and multichannel simultaneous detection systems Chemometrics, statistics, calibration techniques and internal standardisation Theoretical and numerical modelling of fundamental processes related to all of the above methodologies Novel or improved methodologies in areas of application including, but not limited to the following. Biosciences, including elemental, speciation and isotopic analysis in biological systems, immunoassays based on metal-labeled antibodies, bio-imaging, and nanoparticle toxicology Geochemistry Environmental science Materials science, including engineered nanoparticles and quantum dots Metrology, including reference materials Forensic analysis Food and agricultural sciences Energy Archaeometry Molecular analysis. Molecular sources for elemental and isotopic analysis Atomic sources for molecular analysis Atomic and molecular techniques simultaneously used for complementary chemical information All contributions are judged on originality and quality of scientific content, and appropriateness of length to content of new science.

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