Synthesis and Preliminary Characterisation of New Silicate, Phosphate and Titanite Reference Glasses

Klemme, Stephan; Prowatke, Stefan; Münker, Carsten; Magee, C. W.; Lahaye, Yann; Zack, Thomas; Kasemann, Simone A.; Cabato, E. Joan A.; Kaeser, Benjamin

doi:10.1111/j.1751-908x.2008.00873.x

Cited by 45 publications

(54 citation statements)

References 16 publications

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“…207 Pb) ratios were also monitored by analysis of the STDP5 phosphate glass (Klemme et al, 2008) which yields a value of 0.8572 ± 0.0020 (2σ) in this study. 208 (Stern and Amelin, 2003).…”

Section: Accepted M Manuscriptmentioning

confidence: 79%

U–Pb and Th–Pb dating of apatite by LA-ICPMS

2011

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Apatite is a common U-and Th-bearing accessory mineral in igneous and metamorphic rocks, and a minor but widespread detrital component in clastic sedimentary rocks. U-Pb and Th-Pb dating of apatite has potential application in sedimentary provenance studies, as it likely represents first cycle detritus compared to the polycyclic behaviour of zircon. However, low U, Th and radiogenic Pb concentrations, elevated common Pb and the lack of a U-Th-Pb apatite standard remain significant challenges in dating apatite by LA-ICPMS, and consequently in developing the chronometer as a provenance tool.This study has determined U-Pb and Th-Pb ages for seven well known apatite occurrences (Durango, Emerald Lake, Kovdor, Mineville, Mudtank, Otter Lake and Slyudyanka) by LA-ICPMS. Analytical procedures involved rastering a 10μm spot over a 40×40μm square to a depth of 10μm using a Geolas 193nm ArF excimer laser coupled to a Thermo ElementXR single-collector ICPMS. These raster conditions minimized laser-induced inter-element fractionation which was corrected for using the back-calculated intercept of the time-resolved signal. A Tl-U-Bi-Np tracer solution was aspirated with the sample into the plasma to correct for instrument mass bias.External standards (Plešovice and 91500 zircon, NIST SRM 610 and 612 silicate glasses and STDP5 phosphate glass) along with Kovdor apatite were analysed to monitor U-Pb, Th-Pb and Pb-Pb ratios. Age calculations employed between 11 and 33 analyses per sample and used a weighted average of the common Pb-corrected ages, a Tera-Wasserburg Concordia intercept age and a Tera-Wasserburg Concordia intercept age anchored through

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Section: Accepted M Manuscriptmentioning

confidence: 79%

U–Pb and Th–Pb dating of apatite by LA-ICPMS

2011

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“…, , Klemme et al . ). Whilst a wide range of materials were analysed over this period, we focused on the determination of trace elements in carbonates and phosphates.…”

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confidence: 97%

Automated Extraction of a Five‐Year LA‐ICP‐MS Trace Element Data Set of Ten Common Glass and Carbonate Reference Materials: Long‐Term Data Quality, Optimisation and Laser Cell Homogeneity

Evans

Müller

2018

Geostandard Geoanalytic Res

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LA‐ICP‐MS is increasingly applied to obtain quantitative multi‐element data with minimal sample preparation, usually achieved by calibration using reference materials (RMs). However, some ubiquitous RMs, for example the NIST SRM 61× series glasses, suffer from reported value uncertainties for certain elements. Moreover, no long‐term data set of analyses conducted over a range of ablation and tuning conditions exists. Thus, there has been little rigorous examination of the extent to which offsets between measured and reported values are the result of error in these values rather than analytically induced fractionation. We present new software (‘LA‐MINE’), capable of extracting LA‐ICP‐MS data with no user input, and apply this to our system, yielding over 5 years of data (~ 5700 analyses of ten glass and carbonate RMs). We examine the relative importance of systematic analytical bias and possible error in reported values through a mass‐specific breakdown of fourteen of the most commonly determined elements. Furthermore, these data, obtained under a wide range of different ablation conditions, enable specific recommendations of how data quality may be improved, for example the role of diatomic gas, the effect of differential inter‐glass fractionation factors and choice of transport tubing material. Finally, these data demonstrate that the two‐volume Laurin ablation cell is characterised by no discernible spatial heterogeneity in measured trace element ratios.

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“…Bédard et al [77] developed a reference material for analyzing trace element concentrations in zircon by welding a mixture of zircon and albite powders. Klemme et al [78] prepared 11 synthetic silicate and phosphate glasses to serve as reference materials for the in situ microanalysis of clinopyroxene, apatite, titanite and other phosphate and titanite phases. In addition, synthetic Ca-phosphate pellets MAPS-4 and MAPS-5 have been produced by USGS.…”

Section: Reference Materials and Matrix Effectsmentioning

confidence: 99%

Applications of LA-ICP-MS in the elemental analyses of geological samples

Liu

et al. 2013

Chin. Sci. Bull.

104

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Laser ablation-inductively coupled plasma-mass spectrometry (LA-ICP-MS), which is a rapidly developing analytical technique for the analyses of trace elements and isotopes, plays an important role in advancing the study of Earth science, especially with respect to micro-geochemistry. This article reviews the application of LA-ICP-MS in the elemental analysis of solid geological samples. Although LA-ICP-MS has been widely used in the spatial resolution analysis of element compositions and rapid bulk analysis of whole-rock and soil samples, the analysis accuracy is restricted by numerous factors, including the instrumental conditions, the elemental fractionation and matrix effects, the lack of sufficient matrix-matched reference materials, and the strategies for quantitative calibration and sensitivity drift correction. According to the type of samples and the analyte elements, the analysis accuracy can be improved through the optimization of instrument conditions and the adoption of suitable correction strategies and reference materials. LA-ICP-MS, geological sample, elemental analysis, quantitative strategy Citation:Liu Y S, Hu Z C, Li M, et al. Applications of LA-ICP-MS in the elemental analyses of geological samples.

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Synthesis and Preliminary Characterisation of New Silicate, Phosphate and Titanite Reference Glasses

Cited by 45 publications

References 16 publications

U–Pb and Th–Pb dating of apatite by LA-ICPMS

U–Pb and Th–Pb dating of apatite by LA-ICPMS

Automated Extraction of a Five‐Year LA‐ICP‐MS Trace Element Data Set of Ten Common Glass and Carbonate Reference Materials: Long‐Term Data Quality, Optimisation and Laser Cell Homogeneity

Applications of LA-ICP-MS in the elemental analyses of geological samples

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