In our October issue:
COLUMNS
Atomic Perspectives
Our Daily Dose of Poison: A Look at Lead in the Food Supply
Patricia Atkins
How much lead is in our daily lives? We take a look at current research concerning lead in the United States food supply and investigations using ICP-MS into the measurement of high concentrations of lead in food.
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Chemometrics in Spectroscopy
Calibration Transfer Chemometrics, Part I: Review of the Subject
Jerome Workman, Jr., and Howard Mark
Calibration transfer involves multiple strategies and mathematical techniques for applying a single calibration database to two or more instruments. Here, we explain the methods to modify the spectra or regression vectors to correct differences between instruments.
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Lasers and Optics Interface
Combining Broadband Spectra and Machine Learning to Derive Material Properties
Steve Buckley
With methods such as infrared, Raman, and LIBS, the spectral background contains a wealth of information about material properties of the sample. Now, such information can be derived by artificial intelligence and machine learning algorithms.
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Peer-Reviewed Articles
Determination of Rare Earth Elements in Geological and Agricultural Samples by ICP-OES
Clarice D. B. Amaral, Raquel C. Machado, Juan A. V. A. Barros, Alex Virgilio, Daniela Schiavo, Ana Rita A. Nogueira, and Joaquim A. Nóbrega
This method demonstrates that ICP-OES is a suitable alternative to ICP-MS for the determination of rare earth elements in geological and agricultural samples.
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Tandem LA–LIBS Coupled to ICP-MS for Comprehensive Analysis of Tumor Samples
Maximilian Bonta, Szilvia Török, Balazs Döme, and Andreas Limbeck
This method demonstrates the excellent suitability of a multimodal approach that combines LA-ICP-MS with LIBS for the analysis of tumor samples, particularly when the standalone techniques cannot detect all the elements of interest.
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FEATURE
Effective Removal of Isobaric Interferences on Strontium and Lead Using Triple-Quadrupole ICP-MS
Daniel Kutscher, Simon Lofthouse, Simon Nelms, and Shona McSheehy Ducos
Unresolved interferences can lead to biased results in ICP-MS analyses. Here we describe an approach for removing those interferences using reactive gases.
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Improving Extractables and Leachables and Trace Metal Testing of Pharmaceutical Packaging
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Understanding the Advantages of Microwave Extraction Technology for Environmental Laboratories
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How to Maximize Your ICP-MS Performance
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Single Particle Mode or Hyphenated ICP-MS? A Discussion of Nanoparticle Analysis in Complex Matrices
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