TERMITE: An R script for fast reduction of laser ablation inductively coupled plasma mass spectrometry data and its application to trace element measurements.
TERMITE: An R script for fast reduction of laser ablation inductively coupled plasma mass spectrometry data and its application to trace element measurements.
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TERMITE:用于快速减少激光烧蚀电感耦合等离子体质谱数据及其在痕量元素测量中的应用的 R 脚本
DOI:
10.1002/rcm.7895
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发表时间:
2017
期刊:
影响因子:
--
通讯作者:
Scholz
中科院分区:
文献类型:
--
作者:
Mischel;Mertz-Kraus;Jochum;Scholz
RationaleHigh spatial resolution Laser Ablation Inductively Coupled Plasma Mass Spectrometry (LA‐ICPMS) determination of trace element concentrations is of great interest for geological and environmental studies. Data reduction is a very important aspect of LA‐ICP‐MS, and several commercial programs for handling LA‐ICPMS trace element data are available. Each of these software packages has its specific advantages and disadvantages.MethodsHere we present TERMITE, anRscript for the reduction of LA‐ICPMS data, which can reduce both spot and line scan measurements. Several parameters can be adjusted by the user, who does not necessarily need prior knowledge inR. Currently, ten reference materials with different matrices for calibration of LA‐ICPMS data are implemented, and additional reference materials can be added by the user. TERMITE also provides an optional outlier test, and the results are provided graphically (as a pdf file) as well as numerically (as a csv file).ResultsAs an example, we apply TERMITE to a speleothem sample and compare the results with those obtained using the commercial software GLITTER. The two programs give similar results. TERMITE is particularly useful for samples that are homogeneous with respect to their major element composition (in particular for the element used as an internal standard) and when many measurements are performed using the same analytical parameters. In this case, data evaluation using TERMITE is much faster than with all other available software, and the concentrations of more than 100 single spot measurements can be calculated in less than a minute.ConclusionsTERMITE is an open‐source software for the reduction of LA‐ICPMS data, which is particularly useful for the fast, reproducible evaluation of large datasets of samples that are homogeneous with respect to their major element composition. Copyright © 2017 John Wiley & Sons, Ltd.
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DOI:
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发表时间:
2011
期刊:
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