In our April issue:
COLUMNS
Focus on Quality
How Do You Prepare Reference Standards and Solutions?
R.D. McDowall
ISO Guide 80, “Guidance for the In-House Preparation of Quality Control Materials” provides important advice. We have distilled it down to the core information you need to know.
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Selecting the best ICP-OES plasma interface for your research
Learn core concepts surrounding optical interfaces available for ICP-OES spectrometers and the strengths and weaknesses of each. Learn how each works and why the interface should be a major factor in your selection of the best instrument for your research. The paper also introduces a unique new approach called MultiView.
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IR Spectral Interpretation Workshop
Electromagnetic Radiation, Spectral Units, and Alkanes
Brian C. Smith
To interpret IR spectra properly, one must be grounded in theory. Here, we outline the theory behind light and spectral units and then explain how that relates to the interpretation of IR spectra of straight-chain alkanes. Read more >> |
Lasers and Optics Interface
LIBS Detection of Nanomaterials for Process Control and in the Workplace
Christophe Dutouquet
As nanomaterials are incorporated into more and more commercial products, there is an increasing need for analytical methods capable of detecting and characterizing these materials in manufacturing environments — both for quality control and to ensure worker safety. LIBS is a promising tool for these applications. Read more >> |
Spectroscopy Spotlight
What ICP Spatial Heterogeneity Reveals About Interference in ICP-AES
Spatial emission maps can be used to flag matrix interferences and system drift in inductively coupled plasma spectroscopy. George Chan of Lawrence Berkeley National Laboratory explains how. Read more >> |
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PEER-REVIEWED ARTICLE
Differentiation of Inks Used for Seals by Confocal Raman Microscopy and Fourier Transform Infrared Microscopy
Jungang Lv, Shuo Liu, Yuanyuan Li Jimin Feng, Yong Liu, and Songdong Zhou
In this study, a method was developed to discriminate red seal inks using Raman microscopy and FT-IR. The results show that the developed method can be used to directly differentiate inks on paper substrates. This method may be useful for ink analysis in fields such as forensics and cultural heritage studies.
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| LIVE WEBCASTS |
Demystifying Sample Preparation for Trace Metal Analysis: How Automation Can Make Light Work Of the Sample-to-Results Workflow
Live Webcast: Tuesday, April 28, 2015 at 8:00 am PDT/ 11:00 am EDT/ 4:00 pm BST/ 5:00 pm CEST
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The Diversity of UV/Vis/NIR Techniques for Nanomaterial Characterization
Live Webcast: Wednesday, April 29, 2015 at 8:00 am PDT/ 11:00 am EDT/ 4:00 pm BST/ 5:00 pm CEST
Register Here >> |
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